Abstract: A tool device includes a handle and a driving shank having one end engaged into the handle and rotatably attached and coupled to the handle with a pivot shaft for allowing the driving shank to be rotated relative to the handle from a straight position in line with the handle to a position perpendicular to the handle to form a T-shaped driving tool device. The driving shank includes a number of depressions and the handle includes a spring biased detent member for engaging with either of the depressions of the driving shank and for anchoring the driving shank to the handle at selected angular positions. An actuating member is slidably received in the handle for actuating the detent member to engage with the driving shank.

Abstract: A ratchet wrench includes a head having an engaging portion for mounting an object and a through hole which includes an engaging inner periphery and a smooth inner periphery, and is closed by a bottom plate with a central hole. A movable member is movably received in the second through hole and includes a driving section and a connection section. An operation portion includes a handle and a mounting portion which has a connection recess so as to be engaged with the connection section of the movable member. The driving section of the movable member is removably engaged with the engaging inner periphery. By moving the movable member relative to the mounting portion, the handle can be selectively rotated freely or co-rotated with the head.

Abstract: An insertion type hand tool comprises a tool body having a handle and a connecting portion extended from the handle; the connecting portion having a combining groove; a driving portion having an engaging end corresponding to the connecting portion; at least one side of the engaging end being formed with an inclined side for resisting against the combining groove of the connecting portion so that the orientation of the driving portion is adjustable with respect to the connecting portion; one side of the engaging end near the driving portion having a flat side; the flat side being adjacent with an inclined side; and an elastic unit is installed in the engaging end of the driving portion so as to be positioned in a positioning hole of the connecting portion.

Abstract: A multiple function adjustable wrench comprising: a shank 18 having a first end 16 with a fixed jaw 12, a adjustable jaw 10, and a adjusting screw 14. The adjusting screw 14 moves the adjustable jaw 10 toward and away from the fixed jaw 12. Two arms 20a, 20b extend from the second end 38 of the shank 18. A ratchet box 22 includes a first engaging socket 24a that is rotatably engaged with a first engaging hole of the ratchet box 22. The ratchet 22 also includes a second engaging socket 26a having a different inner diameter is rotatably engaged with a second engaging hole of the ratchet box 22. The first engaging socket, and the second engaging socket have a engaging hole defined therethrough. The engaging hole can be toothed so as to form a 12-point engaging socket or square so as to form a square engaging socket. Ratchet mechanisms (not shown) are received in the ratchet box 22 and are cooperated with each engaging socket.

Abstract: A bendable wrench includes a handle, a head and a pivot. The handle includes a first ear formed thereon, a second ear formed thereon and a plurality of teeth formed on an internal side of the second ear. The head includes an ear and a plurality of teeth formed on an internal side of the ear thereof. The pivot is movably inserted in the ears so as to pivotally connect the head to the handle. The pivot includes a plurality of teeth that can be engaged with the teeth so as to firmly retain the angle between the head and the handle and disengage from the teeth of the head so that the angle between the head and the handle can be changed.

Abstract: A screwdriver handle comprises a base portion; a pair of arms pivotally connected to the base portion; a locking sleeve mounted around the base portion and adapted to engage the pair of arms; a spring member mounted around the base portion and adapted to engage the locking sleeve; a torsion spring connected to the base portion and each of the pair of arms; and a pin connecting the pair of arms to the base portion. The base portion comprises at least one gripping indent feature and a hollow inner shaft chamber having a locking indent feature. The pair of arms are adapted to articulate from a first position planar to a longitudinal axis of the base portion to a second position transverse to the longitudinal axis of the base portion. The locking sleeve is adapted to move along a longitudinal axis of the base portion.

Abstract: A wrench includes a handle with a first driving portion extending from one side of a first end of the handle and a pivotable section has one end thereof pivotably connected to a second end of the handle. A second driving portion extends from one side of the other end of the pivotable section. The first and second driving portions are able to engage with an object and the first driving portion can output a larger torque to loose or tight the object, and the second driving portion is used to output a smaller torque. The pivotable section is rotatable about a pivot for connecting the pivot section to the handle so that the user may hold the handle and rotate the pivot section continuously to remove the object from the hole where the object is engaged therewith.

Abstract: An articulated wrench includes an elongate handle with a generally U-shaped depression at an end of the handle with an edge portion of the handle extending on either side of the depression, and a wrench head formed as a generally planar body with an aperture therein for engaging a fastener to be turned with the wrench, with the body of the wrench head nested into the depression in the handle with the edge portions of the handle on either side of the depression extending along a portion of the edge of the wrench head, and with the wrench head pivotally interconnected to the handle so as to allow rotation of the wrench head relative to the handle. The proportions of the wrench head are selected and the connection between wrench head and handle are selected so as to minimize the clearance required between a fastener and adjacent obstructions in a confined space for engagement of the fastener with the wrench.

Abstract: A hand tool includes a head which has an insertion and first teeth are defined in an outer periphery of the insertion. The insertion is pivotably connected to a recess between two lugs on a handle and a first biasing device is connected to an inner end of the recess. A control member is located between the insertion and the inner end of the recess, and has second teeth which are engaged with the first teeth. A cam-like protrusion projects from an underside of the control member and includes a curved outer surface which is in contact with the first biasing device. The first and second teeth are disengaged from each other when pivoting the control member so that the head can be pivoted, the first and second teeth are engaged again when the control member are pivoted back such that the head is positioned at a desired position.

Abstract: A palm type spanner comprises a driving head having a receiving portion for receiving a driving tool; and a handle body being an integral plate-like structure; one end of the handle body being formed with an opening portion; the driving head being pivotally installed to the handle body; thereby the driving head being rotatable along the pivotal shaft; and the handle body having a hollowed groove which has a size capable of receiving the driving head.

Abstract: A hand tool with a swinging structure, including a head section, a handle connected with the head section via at least one swinging joint and a shift button and a resilient unit disposed at the swinging joint. The swinging joint is composed of a first pivot end and a second pivot end pivotally connected with each other. The second pivot end includes a first and a second lugs and a base section connected therebetween. A stopper section is disposed on the base section. A stopper block is formed on an inner face of the shift button. The shift button is transversely and back and forth movably positioned between the two pivot ends. The resilient unit serves to resiliently push the shift button toward the first pivot end, whereby a front end of the shift button keeps engaged with the first pivot end. When the shift button is transversely shifted to a disengaged position, the stopper section will not interfere with the stopper block, permitting the swinging joint to swing.

Abstract: A wrench combination includes a handle with an ear defining an aperture and an annular groove around the aperture. A wrench includes an annular head, an ear extending from the annular head and an annular gear put in the annular head. A washer is put in the annular groove defined in the ear of the handle. A washer is put in the annular groove defined in the ear of the wrench. Each washer includes an aperture, first and second pairs of contact locations at opposite positions of the aperture on a first side. Each washer also includes a central contact location intermediate each pair of contact locations and two lateral contact locations on an opposite second side. The central contact locations are located intermediate the two lateral contact locations. A joint includes a first pair of ears for sandwiching the ear of the handle and a second pair of ears for sandwiching the ear of the wrench.

Abstract: A wrench includes a handle, a head having a pivotal portion pivotably connected to an end of the handle, and a retaining mechanism. The pivotal portion of the head includes two end portions and an intermediate portion between the end portions. The intermediate portion includes an arcuate outer surface section that has teeth to be releasably engaged with the retaining mechanism, allowing the head to be pivotally moved to a desired position relative to the handle and retaining the head in the desired position. Thus, the thickness of the respective end portion of the pivotal portion of the head is not reduced, preventing damage to the torque-bearing section in the respective end portion of the pivotal portion during operation.

Abstract: A palm type spanner comprises a driving head having a receiving portion for receiving a driving tool; and a handle body being an integral plate-like structure; one end of the handle body being formed with an opening portion; the driving head being pivotally installed to the handle body; thereby the driving head being rotatable along the pivotal shaft; and the handle body having a hollowed groove which has a size capable of receiving the driving head.

Abstract: A hand tool having an adjustable head with a joint lock mechanism. The joint lock mechanism comprises a first engaging device, a push button, a second engaging device, a first elastic device and a second elastic device. The push button is formed with a through hole and a first engaging portion. The second engaging device passes through the through hole and is disposed with a second engaging portion. When the first engaging portion engages the second engaging portion, the front end of the first engaging portion abuts the front end of the second engaging portion such that the second engaging device engages the first engaging device and is prevented from moving.

Abstract: A wrench includes a handle and a set of driving members to be selected to be coupled to the handle. Each of the driving members has a connecting portion complementary to the connecting portion of the handle. A coupling device is disposed at the connecting portion of the handle to detachably coupling the connecting portion of the driving member and the connecting portion of the handle. The coupling device forms a rotation axis of the driving member, such that the driving member can rotate. As a result, the driving members can be replaced quickly to the handle to meet the specific work.

Abstract: An electronic torque wrench has a tubular core with elongated apertures therein which respectively removably receive user interface assembly and power assembly modules, the modules being exposed through openings in a surrounding grip sheath. A workpiece-engaging head is coupled to a beam member which may received in a tapered opening in a shim member received in an end of the tube. A sensor on the beam member is connected by wires extending to the user interface assembly, which in turn has a display device producing a bar graph display indicating the proximity of a measured torque value to a preset torque level.

Abstract: A swing head structure of a wrench with two kinds of torque output includes a head part and a handle pivotally coupled together by a shaft, the wrench can also be used as a ratchet wrench or can rotate the handle backwards and forwards to make the head part to rotate in one direction, the rotating direction can be changed, the swinging movement of the head part does not affect the rotation and transmission of the wrench and the handle, the swinging head part includes two kinds of torque output to the wrench.

Abstract: A hand tool having an adjustable head includes a handle, a head and a head locking assembly. The handle has an elongated slot with a bottom. The head has a body that has a pivot junction pivotally mounted in the elongated slot and having an exterior toothed surface. The head locking assembly includes a sliding block, a rotatable locking assembly and a block biasing assembly. The sliding block is slidably mounted in the elongated slot between the pivot junction and the bottom of the elongated slot and includes an engaging device to engage the exterior toothed surface of the pivot junction. The rotatable locking assembly is rotatably mounted in the sliding block and includes a locking device such as an eccentric cam to abut the bottom of the elongated slot to restrict the sliding block in motion and lock the head at a given angular position.

Abstract: A bendable spanner comprises a driving head having a driving portion at a front end thereof for engaging with a screw means; a length of the driving head being L3; a pivotal unit; the driving head being pivotally installed to the pivotal unit; a length of the pivotal unit being L2; and a holding portion; one end of the holding portion being pivotally installed to the pivotal unit; a length of the holding portion being L1. The length of L1 is greater than or equal to 1.5 times of the L2, and the length of L1 is greater than or equal to 1.15 times of L3. Moreover in the present invention, another end of the holding portion is connected to a pivotal unit and then the pivotal unit is further connected to a driving head.

Abstract: A detent structure of a torque wrench for adjusting operation angle thereof, including a wrench handle, two detents, a resilient member and a working head. One end of the wrench handle is formed with a pivot cavity. Via the resilient member, the detents are movably disposed in the pivot cavity of the wrench handle. One end of each detent is formed with an engaging section having a connecting channel. The other end of each detent has a pres section. Two ends of the resilient member are formed with two connecting sections inserted in the connecting channels of the detents. One end of the working head has an engaging section pivotally disposed in the pivot cavity of the wrench handle. The engaging sections of the detents are engaged with the engaging section of the working head. By means of the resilient member disposed between the detents, a user can press the press sections of the detents with little strength to disengage the engaging sections of the detents from the engaging section of the working head.

Abstract: An impact wrench is disclosed. The wrench has a handle and a housing pivotally secured to one end of the handle. A socket drive cooperates with the housing and the socket drive receives a socket for engagement with a fastener. A follower is associated with the housing and holds the socket drive in either a first or a second position allowing the wrench to rotate the fastener in either direction and the socket drive being biased to maintain the follower in one of its positions. The socket drive has first and second camming surfaces and when the housing is struck by an impact implement, the following moves relative to one of the surfaces and the socket drive is caused to rotate relative to the housing.

Abstract: A hand tool includes a handle having at its one end provided with a chamber containing a through hole to accommodate a locking unit and at another end disposed with pivoting sections to pivot a stem for the stem to be bent into a specific angle in relation with the handle; a holder being secured in position in the chamber of the handle; a push rod in the holder pushing against the locking unit for a locking bit to be restricted in one of internal teeth of a gear of the stem to hold the hand tool in position to facilitate its use.

Abstract: A positionable screwdriver includes a first housing member, a second housing member pivotally connected with the first housing member, and a positionable mechanism arranged between the first and second housing members. The positionable mechanism has a locking button, a leaf spring, a positioning block, a retaining member, and a spring. The positioning block is formed with a plurality of radial teeth and fixed to the first and second housing members. The locking button is arranged within the second housing member and positioned over the leaf spring. A top of the locking button is provided with a raised portion extending upwardly through an opening of the second housing member. The spring has an end bearing against another end of the locking button so as to keep the locking button positioned over the leaf spring, thereby keeping engagement between the leaf button and the positioning block.

Abstract: The invention relates to a wrench for manipulating lock nuts on cable clamps and conduit for securing electrical cable or conduit to electrical boxes. The wrench is useful for accessing difficult positions in a box such as securing a cable to a corner opening or in a back row of a box having multiple rows of cables. The wrench comprises a central handle shaft, two transition sections, one extending on either side of the handle shaft, and two arc shaped heads, one arc shaped head extending from each transition section, such that each arc shaped head is displaced at an angle to the handle shaft and at a distance normal to the handle shaft. Each head comprises at least two tabs for engaging a lock nut.

Abstract: A hand tool having an adjustable head comprises a head, a handle, a fastening device and a joint lock mechanism, characterised in that: a bottom side of a concave pivotal portion of the handle has an inclining surface inclining forwardly from a first side of the concave pivotal portion to a second side of the concave pivotal portion; the joint lock mechanism comprises: a first engaging device and a second engaging device; the second engaging device comprises a pull button and a biasing device. The pull button is moveable from an unlocked position at the first side of the concave pivotal portion to a locked position at the second side of the concave pivotal portion. The biasing device is disposed at a front end such that when the pull button is at an unlocked position, a gap is formed between a rear end of the pull button and the bottom side of the concave pivotal portion; when the pull button is at a locked position, a front end of the pull button is adapted to engage the first engaging device.

Abstract: A valve wrench comprising a telescoping shaft assembly further comprising an inner shaft and an outer shaft, a handle pivotally attached to a first end of the shaft assembly, and a work coupling element fixed or mounted on a second end. The inner shaft may include a spring loaded button that engages the outer shaft to hold the inner and outer shaft in an operation position or alternatively in a storage position. The handle pivots to form a compact linear assembly in a storage configuration and is shaped conformal to the telescoping shaft to minimize occupied space in the storage configuration. The inner and outer shafts may be constructed from a number of complementary cross section shapes including rectangular, hexagonal, and spline to assist in the transfer of torque from the handle to the valve. A number of alternative valve coupling elements are provided for different valves.

Abstract: A wrench includes a tool head having a number of teeth formed in a chamber, and a handle having a shaft rotatably engaged into the chamber of the tool head and having a channel laterally formed in the shaft, a stem is engaged into the channel of the shaft, and includes one or more actuators. A follower is slidably received in the channel of the shaft, and includes one or more teeth for engaging with the teeth of the tool head, and for selectively locking the handle to the tool head at selected angular position. The follower includes a space formed by an inner peripheral surface, for engaging with the actuators. One of the actuators may force the teeth of the follower to solidly engage with the teeth of the tool head.

Abstract: An electronic torque wrench has inner and outer telescoping housing portions and a battery tray assembly telescopically receivable in the inner housing portion and a bezel assembly receivable in an aperture in the outer housing portion and interconnected with the housing portions and the battery support assembly by a single fastener. The bezel assembly carries torque measuring circuitry.

Abstract: A wrench includes a handle, a head having a pivotal portion pivotably connected to an end of the handle, and a retaining mechanism for allowing the head to be pivotally moved to a desired position relative to the handle and retaining the head in the desired position. The pivotal portion of the head includes a fore part and a rear part with reference to a ratcheting direction of the handle. The fore part includes an arcuate outer surface section. The rear part includes a toothed section having a plurality of teeth. The toothed section has a dedendum circle located inside an area delimited by the arcuate outer surface section. Thus, the thickness of the fore part is not reduced, preventing damage to the torque-bearing section in the fore part during operation.

Abstract: A multipurpose, bi-lateral multi-axial ratcheting hand tool. The ratcheting hand tool may be used in multiple positions and in varying angles for loosening or tightening various fasteners as well as using other tools that may be attached to the tool. The ratcheting Allen wrench includes a first handle and a second handle, a bi-directional ratchet hingedly fastened between the first handle and the second handle, and multiple tools hingedly fastened to the first handle and the second handle that may be easily accessed and foldably stored within the handle when not in use.

Abstract: An apparatus for installing and removing a fastener such as a sink strainer nut includes a collar portion and a handle portion pivotally attached to the collar portion. The collar portion defines a plurality of cutouts and engaging surfaces for engaging with lugs on a sink strainer nut.

Abstract: The invention relates to a T-handle ratchet wrench including a lateral bar and a ratchet set. The lateral bar has a hollow connection part located in the center of the lateral bar and used for installing the ratchet set. Two flanks of the lateral bar make up a handgrip, respectively. The top of ratchet set is provided with a rotation button while a vertical bar extends downwardly from the rotation button. At least one of the handgrips includes a pivotal ear with a through hole, and the pivotal ear can be fitted into an insertion slot with a through hole at the free end of the lateral bar. A pivotal pin then passes through the through hole in the pivotal ear and the through hole in the insertion slot. This permits a pivotal movement of the handgrip on the pivotal pin. Accordingly, this configuration will considerably minimize the occupied space in packing, transport, storage and carrying. Particularly, the operators can more easily apply his force on the driver under special operation environments.

Abstract: A wrench includes a box end head with a protrusion extending therefrom and the protrusion has an inclined surface defined in a distal end thereof and a first engaging area defined in a part of the inclined surface. The protrusion is pivotably connected to the handle which has a transverse hole and a control member is movably received in the transverse hole along a longitudinal direction of the transverse hole. The control member has a second engaging area removably engaged with the first engaging area along the longitudinal direction of the transverse hole. The head can be pivoted relative to the handle when the second engaging area is moved away from the first engaging area by pushing the control member.

Abstract: A polyaxial wrench can apply torque to bolts, nuts and screws in close confines where leverage perpendicular to the axis of the bolt is restricted. The wrench has one end for mounting on the bolt, a shank and a sleeve. The shank extends longitudinally from the one end. The sleeve is rotatably mounted on the shank. The sleeve has connections for coupling an impact tool in several different angular configurations in relation to the longitudinal axis of the sleeve. Therefore, the impact tool can apply force vectors, of choice and dictated by the confines, polyaxially.

Abstract: The present invention relates to a ratchet wrench having a pivotal head, which generally includes a handle, an elastic plate, an elastic block and a pivotal head. Wherein the handle is defined with a slot at an end thereof, the elastic block is defined at an end thereof with an engaging portion, and at another end thereof is formed with a notch for the reception of the elastic plate. With the help of the elastic plate, the elastic block is movably received in the slot of the handle of the ratchet wrench. At end of the pivotal head is formed with a coupling portion which is to be received in the slot of the handle, so as to engage with the engaging portion of the elastic block. By such arrangements, the ratchet head of the wrench can change the operational angle relative to the handle, so as to improve the applicability of the ratchet wrench.

Abstract: Apparatus and methods for applying torque to a socket wrench are disclosed. The apparatus comprising a handle, a ratchet head, the handle and the ratchet head pivotally joined to one another, a ratchet mechanism having a first drive spline and a rotation control, the first drive spline extending substantially orthogonal to the longitudinal axis of the ratchet head, the first drive spline selectively rotatable with respect to the ratchet head, and the first drive spline configured to apply a first given torque to the socket wrench, and a second drive spline extending substantially parallel to the longitudinal axis of the ratchet head, the second drive spline fixedly secured to the ratchet head, and the second drive spline configured to apply a second given torque to the socket wrench.

Abstract: A wrench includes a head, a first handle, a second handle and a retaining device. The first includes first and second end. The first end of the first handle is pivotally connected with the head about a first axis. The second handle is pivotally connected with the second end of the first handle about a second axis. The retaining device can retain the first handle in position relative to the head, and the second handle in position relative to the first handle.

Abstract: A tool includes a handle having a cavity to slidably receive a latch, and a driving head having a shank rotatably secured to the handle with a shaft. The shank includes a number of depressions formed in an outer peripheral portion and extended into the cavity of the handle. The latch includes a stem having a reduced outer diameter and includes an actuator to selectively engaged into either of the depressions of the shank of the driving head. A spring may bias the actuator to engage into either of the depressions of the shank of the driving head, and to adjustably secure the driving head to the handle at selected angular position.

Abstract: A wrench structure includes a body, a rotation member, a drive rod, a press rod, and an elastic member. The rotation member is rotated relative to the body freely so as to adjust the included angle between the rotation member and the body arbitrarily. Thus, the operation angle of the wrench structure can be adjusted arbitrarily, thereby facilitating the user operating the wrench structure. In addition, the drive rod is limited by the rotation member, so that the drive rod is received in the body without detachment. Further, the press rod is limited by the drive rod, so that the press rod is received in the body without detachment.

Abstract: A screwdriver assembly includes a handle, a shank mounted on the handle and having a fork-shaped first end formed with two opposite pivot ears and an opening located between the two opposite pivot cars, and a screwdriver head pivotally mounted in the opening of the shank between the two opposite pivot ears. Thus, screwdriver assembly that can save the user's energy and manual work, thereby facilitating the user rotating the screw member.

Abstract: A wrench includes a handle, a head having a pivotal portion, and a retaining mechanism for retaining the head in the desired angular position relative to the handle. The pivotal portion of the head includes a fore lug and a rear lug that are located with reference to a ratcheting direction of the handle. The handle has an engaging portion pivotally received in an opening between the lugs. Teeth are defined in an arcuate outer surface section of the fore lug. The thickness of the rear lug is not reduced, avoiding damage to the torque-bearing section in the pin hole of the rear lug.

Abstract: A wrench includes a head, a first handle, a second handle and a retaining device. The first includes first and second end. The first end of the first handle is pivotally connected with the head about a first axis. The second handle is pivotally connected with the second end of the first handle about a second axis. The retaining device can retain the first handle in position relative to the head, and the second handle in position relative to the first handle.

Abstract: A flexible drive wrench handle comprising of numerous steel links. Each link has a slotted cavity with rounded ends 2 at one end, at the other end of the link is a stud with rounded end 3, this stud 3 is inserted into the slotted cavity of the next link to form a friction fit and connected together by means of a tight fitting removable mushroom head pin 4.

Abstract: A quick rotation wrench includes a driving portion, a wrench body, and an angle adjustment structure. The angle adjustment structure includes a control knob, two pawl members, two positioning members, and an elastic member. Thus, the included angle between the wrench body and the driving portion can be adjusted freely and arbitrarily. In addition, the included angle between the wrench body and the driving portion can be adjusted easily and conveniently. Further, the control knob is mounted on the wrench body, so that the user can use his one hand to press the control knob and operate the wrench body easily and conveniently, thereby facilitating the user operating the quick rotation wrench.

Abstract: A spanner head orientation positioning device comprises a spanner head, a handle, and a buckle. One end of the spanner head has a convex pivotal end. The pivotal end has an axial hole; and one outer end of the pivotal end has an inclined cambered surface. The buckle is installed between the spanner head and the handle and is a block; one end of the buckle with respect to the spanner head is formed with a concave cambered surface. The cambered surface has a configuration corresponding to the inclined cambered surface of the handle. Thereby, by above components, the buckle slides between two sides of the concave cambered surface, and thus an orientation of the handle is adjustable.

Abstract: A hand tool includes a shank that has a function end pivotably connected to an end of the shank and the function end is able to engage an object to be tightened or loosened. The function end is able to be pivoted relative to the shank so as to access the object at any angle.

Abstract: A hand tool angle adjustment structure includes a handle having a substantially U-shaped front coupling portion with a through hole and a screw hole at two sides, a work head, the work head having a flat, circular coupling portion extended from a rear side thereof and coupled to the U-shaped front coupling portion of the handle and a mounting hole extended through two opposite lateral sides of the coupling portion, and a lock bolt inserted through the through hole of the handle and the mounting hole of the work head and threaded into the screw hole of the handle to secure the work head to the handle for enabling the work head to be tilted leftwards/rightwards or turned forwards/backwards within a limited angle.

Abstract: The present invention relates to an improved lug wrench. In one embodiment, the lug wrench includes a first arm connected to a mounting member, two foldable arms connected to the first arm, and a fourth detachable arm capable of attaching to the mounting member in a first and second positions. The lug wrench can form a cross-shape by extending the foldable arms such that they are substantially perpendicular to the first arm and attaching the fourth detachable arm to the mounting member in the first position such that it is substantially perpendicular to the foldable arms. The size of the lug wrench can be minimized by folding the foldable arms and attaching the fourth detachable arm to the mounting member in the second position such that they are substantially parallel to the first arm. Other embodiments include ratcheting without folding and optional tire cover removal and hammer head attachments.

Abstract: A screwdriver includes a handle, a ratchet socket, a rotary linkage and a cap. The handle has a channel inside to accommodate the rotary linkage with one end inserted with the ratchet socket and a screwdriver socket. The rotary linkage includes a linkage, a tube, a stop section, a spring and a pivoting rod. The linkage has one end pivoted to the stop section inserted in the spring and penetrates axially in the tube. One end of the tube protrudes a wall at the inner periphery and has a pair of gaps at the end. Another end of the linkage is pivoted to the pivoting rod and the cap. The cap is pulled to draw out the linkage with the stop section at the end of the linkage to compress the spring to hold against the wall of the tube, and the pivoting rod is bent for rotation.