Abstract: An ergonomic manual driver includes a handle having ergonomic recesses. A manual driver includes a shank and a handle attached to the shank. The handle includes a proximal portion, a middle portion, and a distal portion. The distal portion has a distal portion distal end cross section that includes polygonal perimeter line segments joined by intervening perimeter segments. The distal portion has a distal portion proximal end cross section that includes polygonal perimeter line segments joined by intervening perimeter segments. Orientations of the polygonal perimeter line segments of the distal portion distal end are offset rotationally by 15 degrees to 45 degrees around the shank axis relative to the polygonal perimeter line segments of the distal portion proximal end. The distal portion comprises distal portion recesses, which extend from the distal portion proximal end to the distal portion distal end.

Abstract: An assembly including an adapter assembly and an extension assembly for connecting an end effector to an electrosurgical instrument is provided. The adapter assembly includes first and second pusher assemblies configured for converting rotational motion into linear motion and a drive member for transferring rotational motion. The extension assembly includes at least one flexible band assembly for transferring the linear motion from the adapter assembly and a trocar assembly configured for converting rotational motion into linear motion. Also provided is a connection assembly for connecting a first tubular member to a second tubular member.

Abstract: A multi-purpose hand tool system is described. The tool system includes a handle and one or more inserts that are releasably engaged with the handle. The tool system is useful for a variety of applications including use with basin and faucet hardware.

Abstract: The present disclosure provides a connection and torque transfer apparatus having a torque input end and a torque output end electrically insulated, an accessory and use thereof. The connection and torque transfer apparatus comprises at least: a torque input component, an intermediate body component, and a torque output component; and the accessory can match the foregoing apparatus to form an assembly. The apparatus has a few components, high reliability, good insulating performance, excellent torque transfer performance and low costs, and is simple and convenient to manufacture.

Abstract: A fastening assembly having torquing members that engage notches on a conical securing member. The torquing members being operable by a wrench and able to exert torque on the securing member at the notches to tighten or loosen the securing member.

Abstract: An impact socket includes a socket body having a first end and an opposing second end, the socket body defining a first fastener driving structure at the second end. The impact socket includes a collar assembly carried by the socket body, the collar assembly defining a second fastener driving structure. The collar assembly includes a support sleeve and a base sleeve that define a chamber configured to constrain movement of a securing mechanism relative to the socket body, the securing mechanism configured to selectively secure the collar assembly to the socket body when the collar assembly is disposed in at least one of a first position relative to the second end of socket body and a second position relative to the second end of socket body.

Abstract: Pocket Socket is a portable tool that combines a ratchet and sockets that enables individuals to simply grab one item, instead of having a handful of sockets and a ratchet stuffed inside of a toolbox. This innovative product can eliminate individuals grabbing the wrong-sized sockets, as they can have access to any-sized sockets needed for the job. Individuals can easily store this tool in their pockets, a toolbox, or a holster without the chance of it becoming lost or scattered throughout the other contents. This product can provide professional mechanics, carpenters, and do-it-yourselfers with a convenient, all-in-one tool to complete the required job.

Abstract: A hand tool for servicing a power tool or other host tool is adapted to be readily mountable to and dismountable from the host tool via magnetic coupling. The hand tool includes a handle body, and a nut driver supported on the handle body. The handle body may define a bifurcated support, and the tool may include a pivot pin extending through the bifurcated support and the nut driver to support the nut driver on the tool. The nut driver defines at least one socket region dimensioned to receive a nut, and further is magnetized for magnetic coupling with a nut positioned within the socket region. In one embodiment, the nut driver houses a discrete magnet for this purpose. A second magnet may be supported on the handle body toward its central portion.

Abstract: A plasma cell for forming light-sustained plasma includes a transmission element configured to contain a volume of gas, a first terminal flange disposed at or near an opening of the transmission element, a second terminal flange disposed at or near another opening of the transmission element, a floating flange disposed between the first or second terminal flange and the transmission element. The floating flange is movable to compensate for thermal expansion of the transmission element. Further, the floating flange is configured to enclose the internal volume of the transmission element to contain a volume of gas within the transmission element. The transmission element is configured to receive illumination from an illumination source in order to generate plasma within the volume of gas. The transmission element is transparent to a portion of the illumination from the illumination source and a portion of broadband radiation emitted by the plasma.

Abstract: A sleeve structure contains a body. The body includes an outer sleeve, the outer sleeve has a first fitting groove defined therein and an elongated slot formed on an outer peripheral wall thereof and communicating with the first fitting groove. The first fitting groove has a resilient element and an inner sleeve which are disposed in the first fitting groove, wherein a bottom end of the resilient element abuts against a bottom end of the first fitting groove. The inner sleeve has a second fitting groove defined therein and an orifice arranged on an outer peripheral wall thereof. The elongated slot has a connecting post inserted therein, and the connecting post connects with a driving block by ways of a coupling shaft, wherein the driving bock has a shoulder formed on at least one corner of a bottom end thereof.

Abstract: A wrench including a handle having a first yoke at a first end and a first plurality of tool heads coupled to the first yoke at a first pivot axis, at least a first tool head of the first plurality of tool heads having a drive cavity. Each tool head of the first plurality of tool heads is pivotable about the first pivot axis independently of the other tool heads of the first plurality of tool heads.

Abstract: A radial foldout tool includes a body with opposing ends and one or more sets of tool drivers. A first set of tool drivers are positioned on/near a first end and a second set of tool drivers are positioned on/near a second end. The tool drivers are contained within channels of the body when in a closed position. The tool drivers are also contained in a plurality of planes. The tool drivers open by rotating/moving in a direction at least perpendicular to a neighboring tool driver. When they are in an open position, each of the tool drivers are in/near the center of the end of the body. By being positioned in/near the center of the end, the radial foldout tool is able to be gripped and turned in a fashion similar to a standard screwdriver.

Abstract: A sleeve structure contains a body. The body includes an outer sleeve, the outer sleeve has a first fitting groove defined therein and an elongated slot formed on an outer peripheral wall thereof and communicating with the first fitting groove. The first fitting groove has a resilient element and an inner sleeve which are disposed in the first fitting groove, wherein a bottom end of the resilient element abuts against a bottom end of the first fitting groove. The inner sleeve has a second fitting groove defined therein and an orifice arranged on an outer peripheral wall thereof. The elongated slot has a connecting post inserted therein, and the connecting post connects with a driving block by ways of a coupling shaft, wherein the driving bock has a shoulder formed on at least one corner of a bottom end thereof.

Abstract: A round top set screw is provided, including a first section having a shape of substantially a cylinder having a threaded side surface, a second section for wrenching drive, the second section formed contiguously and concentrically to the first section and having a shape of substantially a polygonal prism, and a third section formed contiguously and concentrically to the second section, the third section having a cylindrical portion and a round top having a convex shape, the edge of which contiguously connects to a side surface of the cylindrical portion, wherein the curvature of the convex shape is predetermined to prevent damages to a metal plate when it is pressed at an angle against the third section of the screw. A tool is provided for attaching the screw to a base board and securing it by using a corresponding nut.

Abstract: The rotatably engaged socket set includes a plurality of differently sized sockets that are collectively connected at a center such that the differently sized sockets each extend radially from the center. The differently sized sockets are able to rotate through armatures forming the U-shaped member in order to select a desired socket for use. The U-shaped member includes a square drive at a distal end of the U-shaped member such that the rotatably engaged socket set is configured to attach to an existing socket drive, which may involve an impact wrench or pry bar or ratchet. Upon attachment of the existing socket drive to the square drive of the U-shaped member, a selected socket is longitudinally aligned and configured for use in tightening or loosening a nut or head of a bolt.

Abstract: A tool for archery broadheads or other fasteners is provided including an engagement end having an aperture, socket or drive feature to accommodate the broadhead or engage a fastener. The tool is constructed at least partially from an elastomeric material. Upon application of a moment to the tool by a user, part of the tool deforms or twists so that indicia elements move relative to one another and output torque or moment information to a user based on the spatial orientation of the indicia elements relative to one another.

Abstract: A hand tool is disclosed. The hand tool has a gripping portion and a distal end with an attachment end disposed thereon. A ratcheting mechanism is combined with the attachment end to provide ratcheting action. A rotatable head is combined with the attachment end and engaged with the ratcheting mechanism. The rotatable head comprises a plurality of sockets and in some embodiments the rotatable head has four sockets of different size spaced thereon.

Abstract: The holding wrench consists of a torsion-resistant lever with an extension for a pivot to hold a second torsion-resistant arm to present two mobile surfaces in a fixed work plane. The force of the present invention is applied parallel to the work plane resulting in a torque vector that is perpendicular to the work plane. The working ends of the lever and arm have emplacements for tooling such as rigid pins or holes to attach to protrusions such as bolt heads. Two male tooling emplacements each consist of hole in which tooling is inserted and a threaded hole located orthogonal to the tooling hole for a set screw or other fastener that may hold the tooling in place. Two female tooling emplacements may be used to directly engage protrusions on a sprocket or as receptacles for tooling custom fitted to said protrusions.

Abstract: A device includes a body having a first end, a second end, and four faces. The device is configured to stand upright on the second end. A plurality of tools is stored against the four faces in a closed position. A first face and a second face each includes a bit storage that holds at least one socket. A third face includes a drive, a can opener, and a blade. The drive and the can opener rotate about a first rotatable mechanism coupled to the second end. The blade rotates about an insert coupled to the first end. A fourth face includes a first set of tool drivers that rotates about a second rotatable mechanism coupled to the second end and a second set of tool drivers that rotates about a third rotatable mechanism coupled to the first end.

Abstract: A fastening socket B includes an inner socket portion including engaging means for engaging a nut or the like, and an outer socket portion for engaging a washer A with an outer edge portion 2, which includes a tapered surface and engaging teeth. The tapered surface is gradually inclined outwardly and toward a bottom surface of the outer edge portion. The inner socket portion 21 and the outer socket portion 22 are coupled together with a mechanism so as to be rotated in opposite directions. The outer socket portion is provided with engaging claws for engaging the engaging teeth, and a tapered bottom end surface of each of the claws 24 is gradually inclined radially inwardly and toward a base end side. A surface of a bolt head that is brought into contact with a surface of objects is provided with frictional coefficient increasing treatment.

Abstract: A socket for a wrench comprises a fixed portion provided with a first fastener receiving aperture and a rotatable portion provided with a second fastener receiving aperture. The fixed and rotatable portions are disposed such that the first and second fastener receiving apertures are in overlying relationship to define a fastener receiving space and the rotatable portion is rotatable with respect to the fixed portion to adjust the fastener receiving space.

Abstract: A wrench having a handle and ratchet assembly and a socket wheel. The handle and ratchet assembly has a handle and a first drive member that is rotatable relative to the handle. The socket wheel has a plurality of tool members, a plurality of first lugs and a plurality of second lugs. Each tool member is fixedly coupled to a pair of the first lugs and a pair of the second lugs. An adjacent pair of the tool members share a single one of the second lugs and no adjacent pair of the tool members shares any of the first lugs.

Abstract: A multi-size ratchet wrench, which is easy to operate and is of multiple sizes, includes a wrench handle having two ends, at least one of which forms a head that receives and retains therein a fitting assembly that effect single direction driving. The fitting assembly rotatably supports a rotatable block that has a rotational axis substantially perpendicular to a rotational axis of the fitting assembly. The rotatable block has a circumferential surface forming one or multiple fitting sections that are substantially normal to the rotational axis of the rotatable block. This arrangement allows a user to select among differently-sized fitting sections through direct rotation of the rotatable block. Thus, the number of sockets to be carried and times of replacing sockets are both reduced. Further, the single direction driving allows the wrench handle make loaded driving of the fitting assembly in one direction and load-free rotation in an opposite direction.

Abstract: A device includes a body having a first end, a second end, and four faces. The device is configured to stand upright on the second end. A plurality of tools is stored against the four faces in a closed position. A first face and a second face each includes a bit storage that holds at least one socket. A third face includes a drive, a can opener, and a blade. The drive and the can opener rotate about a first rotatable mechanism coupled to the second end. The blade rotates about an insert coupled to the first end. A fourth face includes a first set of tool drivers that rotates about a second rotatable mechanism coupled to the second end and a second set of tool drivers that rotates about a third rotatable mechanism coupled to the first end.

Abstract: A multi-function socket wrench includes a driving head, a handle, a pivot rod, a first elastic limit unit and a second elastic limit unit. The driving head is pivotally connected with the pivot rod. The driving head can be slidably moved on the handle through the pivot rod and the first elastic limit unit. The driving head and the handle are secured through the second elastic limit unit. The handle and the driving head of the multi-function socket wrench can be turned free as the demand of the user to be a T-shaped socket wrench or operated horizontally.

Abstract: A ratcheting wrench having ratchet structure, a ratchet body, a socket wheel, and a ratchet clutch. The ratchet body is received into the ratchet structure and is rotatable about a first axis. The socket wheel is received in an aperture in the ratchet body and includes a plurality of tool members that are spaced circumferentially apart from one another about a second axis that intersects the first axis but is not coincident with the first axis. The ratchet clutch is configured to control relative rotation between the ratchet structure and the ratchet body about the first axis.

Abstract: The present invention is a multi-socket wrench that includes an elongated main member with an upper area, a lower area, a first end, a second end, and a middle section. The present invention has at least two wrench units with two sockets positioned side by side thereon. One of the at least two wrench units is rotatably attached at the upper area, and the other of the at least two wrench units is rotatably attached at the lower area of the first end of the elongated main member. The present invention also includes an attachment means for attaching the wrench units to the elongated main member. The present invention also includes at least one pivoting means formed in the elongated main member so that the first end of the elongated main member may be pivotably moved relative to the second end of the elongated main member.

Abstract: The present invention relates to the compact multi socket capable of turning a plurality of bolts or nuts having different diameters by one tool. The outer socket A at the upper part is provided with the handle connecting hole 1, the installed inner socket C and the coil spring 26 installed between the outer socket A and the inner socket C so as to bias the inner socket in a direction for pushing out the inner socket from the outer socket A. The outer socket A, the polygonal sliding inner peripheral surface 4 having the large holding part 5 is formed from the opening part to a part near the intermediate part, the sliding inner peripheral surface 31 is formed at the intermediate part, and a ring sliding inner peripheral surface 17 is formed from a part near the intermediate part to the upper part.

Abstract: A fastening socket B includes an inner socket portion including engaging means for engaging a nut or the like, and an outer socket portion for engaging a washer A with an outer edge portion 2, which includes a tapered surface and engaging teeth. The tapered surface is gradually inclined outwardly and toward a bottom surface of the outer edge portion. The inner socket portion 21 and the outer socket portion 22 are coupled together with a mechanism so as to be rotated in opposite directions. The outer socket portion is provided with engaging claws for engaging the engaging teeth, and a tapered bottom end surface of each of the claws 24 is gradually inclined radially inwardly and toward a base end side. A surface of a bolt head that is brought into contact with a surface of objects is provided with frictional coefficient increasing treatment.

Abstract: A ratcheting wrench having ratchet structure, a ratchet body, a socket wheel, a plurality of ratchet teeth and at least one pawl. The ratchet body is received into the ratchet structure and is rotatable about a first axis. The socket wheel is received in an aperture in the ratchet body and includes a plurality of tool members that are spaced circumferentially apart from one another about a second axis that intersects the first axis but is not coincident with the first axis. The ratchet teeth and the at least one pawl cooperate to control relative rotation between the ratchet structure and the ratchet body about the first axis.

Abstract: A combination wrench socket is provided that includes, but is not limited to a one-piece outer part, in the form of a wrench socket having an inner part situated therein, a first tool head molded onto the inner part, and a second tool head, designed differently there from, molded onto the outer part, in which the outer part is designed in such a way that it has at least one retention element for the lockable fastening of a tool head.

Abstract: A hand tool is disclosed. The hand tool has a gripping portion and a distal end with an attachment end disposed thereon. A ratcheting mechanism is combined with the attachment end to provide ratcheting action. A rotatable head is combined with the attachment end and engaged with the ratcheting mechanism. The rotatable head comprises a plurality of sockets and in some embodiments the rotatable head has four sockets of different size spaced thereon.

Abstract: A ratcheting wrench having ratchet structure, a ratchet body, a socket wheel, and a ratchet clutch. The ratchet body is received into the ratchet structure and is rotatable about a first axis. The socket wheel is received in an aperture in the ratchet body and includes a plurality of tool members that are spaced circumferentially apart from one another about a second axis that intersects the first axis but is not coincident with the first axis. The ratchet clutch is configured to control relative rotation between the ratchet structure and the ratchet body about the first axis.

Abstract: A multiple socket ratcheting wrench is described comprising an elongate handle with a first end and a second end. A first mounting element connected to the first end and a second mounting element connected to the second end. A first holder element rotatably attached by a first pin to the first mounting element is provided, wherein the first holder is capable of rotating at least 180 degrees about the first pin, the first holder element defining a first opening and a second opening. The first opening receives a first socket and a second socket, and the second opening receives a third socket and a fourth socket. A first ratcheting means is attached to the first holder element and is configured to control torque direction of the first socket and the second socket, and a second ratcheting means is attached to the first holder element and is configured to control torque direction of the third socket and the fourth socket.

Abstract: A wrench for different-sized nuts includes a handle having an opening at a first end thereof and a slot communicated with the opening, an adjustment screw threadedly inserted into the handle and passing through the slot for adjusting a gap of the slot, a first working head rotatably connected with the first end of the handle in such a way that one of first and second mounting portions of the first working head is selectively positionable in the opening of the first end of the handle, and different-sized first and second ratchet sockets rotatably and respectively mounted with the first and second mounting portions. By means of the adjustment screw, the rotationability of the first working head relative to the first end of the handle can be adjusted.

Abstract: A wrench assembly and a method of use are disclosed herein. A wrench assembly for handling one or more work pieces may include a handle, a first drive member connected to a first end of the handle, and a second drive member connected to a second end of the handle. The first and second drive members may each have a plurality of drives configured to engage and transmit torque to one or more work pieces. The drive members may include a spline configuration operable to engage work pieces having different shapes of engagement surfaces. A method of handling a work piece using the wrench assembly may include engaging one or more of the work pieces with the spline configuration of the drive members and transmitting torque to the work piece by applying a force to the wrench assembly.

Abstract: An assembly for handling a work piece may include a handle and a drive member coupled to the handle. The drive member may include a body that is rotatably coupled to the handle and at least one socket coupled to the body. The socket includes a ratchet mechanism that is operable to enable and disable rotation of the body and the handle relative to the socket while the socket is engaged with the work piece.

Abstract: A tool includes a first and a second socket wrench pivotally turnably connected to two ends of a link. Each of the first and second socket wrenches includes a wrench portion and a circular end portion having an axial slot extended through them. The wrench portion of the first socket wrench is internally formed of a hexagonally shaped portion for fitting around a hexagonally-shaped outer surface of a connecting ring of a male F connector to tighten or loosen the connecting ring to or from a female F connector, and the wrench portion of the second socket wrench is internally formed of a constant-torque shaped portion for fitting around the hexagonally-shaped outer surface of the connecting ring to prevent the tool from applying an excessive torque on the connecting ring when turning the same. The tool can be used without being hindered by bent or closely arranged cables.

Abstract: A ratcheting wrench having ratchet structure, a ratchet body, a socket wheel, a plurality of ratchet teeth and at least one pawl. The ratchet body is received into the ratchet structure and is rotatable about a first axis. The socket wheel is received in an aperture in the ratchet body and includes a plurality of tool members that are spaced circumferentially apart from one another about a second axis that intersects the first axis but is not coincident with the first axis. The ratchet teeth and the at least one pawl cooperate to control relative rotation between the ratchet structure and the ratchet body about the first axis.

Abstract: An extensive device is disclosed to connect a bit to a handle of a tool. The extensive device includes a rod, a polygonal sphere, a socket and a retaining element. The polygonal sphere is connected to the rod near an end. The socket includes a polygonal cavity, a tunnel and a groove. The polygonal cavity receives the polygonal sphere so that the surface of the polygonal sphere is in contact with the wall of the polygonal cavity. The rod and the socket are coaxial when the end of the rod is disposed in the tunnel. The rod can be pivoted relative to the socket when the end of the rod is located outside the tunnel. The groove is defined in the wall of the polygonal cavity. The restraining element is fit in the groove of the socket to keep the polygonal sphere in the polygonal cavity of the socket.

Abstract: The present invention is a multi-socket wrench that includes an elongated main member with an upper area, a lower area, a first end, a second end, and a middle section. The present invention has at least two wrench units with two sockets positioned side by side thereon. One of the at least two wrench units is rotatably attached at the upper area, and the other of the at least two wrench units is rotatably attached at the lower area of the first end of the elongated main member. The present invention also includes an attachment means for attaching the wrench units to the elongated main member. The present invention also includes at least one pivoting means formed in the elongated main member so that the first end of the elongated main member may be pivotably moved relative to the second end of the elongated main member.

Abstract: A socket for a wrench comprises a fixed portion provided with a first fastener receiving aperture and a rotatable portion provided with a second fastener receiving aperture. The fixed and rotatable portions are disposed such that the first and second fastener receiving apertures are in overlying relationship to define a fastener receiving space and the rotatable portion is rotatable with respect to the fixed portion to adjust the fastener receiving space.

Abstract: A hand tool is disclosed. The hand tool has a gripping portion and a distal end with an attachment end disposed thereon. A ratcheting mechanism is combined with the attachment end to provide ratcheting action. A rotatable head is combined with the attachment end and engaged with the ratcheting mechanism. The rotatable head comprises a plurality of sockets and in some embodiments the rotatable head has four sockets of different size spaced thereon.

Abstract: The invention relates to hand tools that can be used in a variety of projects. Specifically, the invention relates to wrenches having two heads that are useful for repairing many different types of objects. The projects include motorcycle repair, automotive repair, small engine repair, general home repair, and appliance repair.

Abstract: A socket 10 for a socket wrench according to the present embodiment is a socket for a socket wrench having a double structure made up of an outer cylinder 11 and an inner cylinder 12, and has slits 13A and 13B extending over the entire length along the axial direction of respective side surfaces of bodies 11a and 12a of the outer cylinder 11 and the inner cylinder 12, respectively. The outer cylinder 11 includes, at the leading end thereof, a leading-end fitting section 11c that corresponds to the shape of a head 16a of a fixing bolt of a member 16 to be fastened. The inner cylinder 12 includes a leading-end fitting section 12c that corresponds to the shape of a head 16b of a fastening bolt of the member 16 to be fastened.

Abstract: A tool includes a first and a second socket wrench pivotally turnably connected to two ends of a link. Each of the first and second socket wrenches includes a wrench portion and a circular end portion having an axial slot extended through them. The wrench portion of the first socket wrench is internally formed of a hexagonally shaped portion for fitting around a hexagonally-shaped outer surface of a connecting ring of a male F connector to tighten or loosen the connecting ring to or from a female F connector, and the wrench portion of the second socket wrench is internally formed of a constant-torque shaped portion for fitting around the hexagonally-shaped outer surface of the connecting ring to prevent the tool from applying an excessive torque on the connecting ring when turning the same. The tool can be used without being hindered by bent or closely arranged cables.

Abstract: A tool for rotating fasteners has an inner body with a cavity in a forward end, the cavity being configured to engage the head of a fastener. An outer socket has a cavity in a forward end, the cavity being configured to engage the head of a fastener, and the outer socket is coaxial with and slidably carried on the inner body. The outer socket is movable between retracted and extended positions, the retracted position locating the cavity of the inner body in a position for engagement of the head of a fastener, the extended position locating the cavity of the outer socket in a position for engagement of the head of a fastener.

Abstract: The present invention is directed to a spud wrench and a spud wrench kit. The spud wrench may include a lever, a socket and an insert. The socket may include an aperture capable of receiving the lever within, wherein the socket may include an enlarged end. The insert may include an aperture in a first side and an opening in a second side, wherein the lever may be capable of insertion within the aperture of the first side. In addition, the socket may be capable of moving relative to the lever and the insert may be capable of moving relative to the socket. The spud wrench kit may further include a socket wrench, a case and inserts of various shapes and sizes and sockets of various shapes and sizes. The inserts and the sockets may be interchangeably used with the lever in numerous manners.

Abstract: A universal socket includes a first socket, a second socket, and a rivet. The first socket has a fitting hole defined in one end and a receiving recess defined in the other end thereof. A through hole is diametrically defined in the first socket and communicating with the receiving recess. A second socket has a ball member formed thereon and disposed in the receiving recess. A slot is diametrically defined in and extends through the ball member. The slot communicates with the through hole when the ball member is received in the receiving recess. A rivet has a head and a forming head, wherein the rivet extends through the through hole and the slot to retain the ball member disposed in the receiving recess and preventing the second socket from disengaging from the first socket.

Abstract: A torque socket essentially comprises an inner socket, and an outer socket. Besides a function of torque value setting and adjustment, the torque socket utilizes a ratchet structure design to produce a sound to warn the user, when the torque applied by the torque socket has reached a predetermined value, allowing the user to know the torque applied to the fastener by the torque wrench has reached the predetermined value easily. Further, the torque socket is simple in structure, thus reducing the production and assembly cost.