Abstract: A hand tool includes a body provided with a mounting portion. The mounting portion includes six first recessed portions, six second recessed portions, and six locking faces. Each of the first recessed portions includes two grooves. Each of the second recessed portions includes two first arcuate faces and a second arcuate face. Each of the locking faces has a planar shape and is arranged between two of the second recessed portions. Each of the first recessed portions is arranged on one of the locking faces. The locking faces define an imaginary hexagonal portion having six sides coinciding with the locking faces respectively. The mounting portion of the body is mounted on a screw member. The screw member has six ribs received in the second recessed portions. Each of the ribs rests on one of the first arcuate faces.

Abstract: A hand tool includes a body provided with a mounting portion. The mounting portion includes six first recessed portions, six second recessed portions, and six locking faces. Each of the first recessed portions includes two grooves. Each of the second recessed portions includes two first arcuate faces and a second arcuate face. Each of the locking faces has a planar shape and is arranged between two of the second recessed portions. Each of the first recessed portions is arranged on one of the locking faces. The locking faces define an imaginary hexagonal portion having six sides coinciding with the locking faces respectively. The mounting portion of the body is mounted on a screw member. The screw member has six ribs received in the second recessed portions. Each of the ribs rests on one of the first arcuate faces.

Abstract: A ratchet wrench includes a main body, a ratchet wheel, a pawl member, and a direction control unit. The main body is provided with a first receiving recess, a second receiving recess, a third receiving recess, a first abutting face, and a second abutting face. The pawl member is provided with an engaging portion, a cavity, two first abutting portions, and two corners. The direction control unit includes a rotation member, a push member, and an elastic member. The rotation member is provided with a cylindrical block, and two second abutting portions. The push member is provided with a push face and a receiving space. The push member is restricted by the first abutting face and restricts the rotation member such that the rotation member is mounted in and will not be detached from the third receiving recess.

Abstract: A ratchet wrench includes a main body, a ratchet wheel, a pawl member, and a direction control unit. The main body is provided with a first receiving recess, a second receiving recess, a third receiving recess, a first abutting face, and a second abutting face. The pawl member is provided with an engaging portion, a cavity, two first abutting portions, and two corners. The direction control unit includes a rotation member, a push member, and an elastic member. The rotation member is provided with a cylindrical block, and two second abutting portions. The push member is provided with a push face and a receiving space. The push member is restricted by the first abutting face and restricts the rotation member such that the rotation member is mounted in and will not be detached from the third receiving recess.

Abstract: A display structure for a wrench includes a handle which includes a mirror surface or a matte surface. At least one display area is formed in the handle and is a recessed area in which at least two embossed areas and at least one blank area are formed. At least one display portion is formed within the at least one display area. The at least one display portion has a colored area formed on the top thereof, so that the at least one display portion has a color that is different from that of the body of the wrench.

Abstract: A display structure for a wrench includes a handle which includes a mirror surface or a matte surface. At least one display area is formed in the handle and is a recessed area in which at least two embossed areas and at least one blank area are formed. At least one display portion is formed within the at least one display area. The at least one display portion has a colored area formed on the top thereof, so that the at least one display portion has a color that is different from that of the body of the wrench.

Abstract: A hand tool includes a body which is a cylindrical body and has a hexagonal mounting portion defined in one end thereof. The mounting portion includes six side faces, and each side face includes a function portion which is connected between two contact faces. Six curved recess are defined alternatively between the side faces. Each function portion includes two consecutive V-shaped recesses. The first length is defined between two respective outer ends of the two contact faces of each side face. The mounting hole is defined by an imaginary hexagonal column which includes an axis and six sides. Each side of the imaginary hexagonal column is located corresponding to each contact face. The length of each side is defined as the third length. The first length is 0.5 to 0.65 of the third length.

Abstract: A hand tool includes a body which is a cylindrical body and has a hexagonal mounting portion defined in one end thereof. The mounting portion includes six side faces, and each side face includes a function portion which is connected between two contact faces. Six curved recess are defined alternatively between the side faces. Each function portion includes two consecutive V-shaped recesses. The first length is defined between two respective outer ends of the two contact faces of each side face. The mounting hole is defined by an imaginary hexagonal column which includes an axis and six sides. Each side of the imaginary hexagonal column is located corresponding to each contact face. The length of each side is defined as the third length. The first length is 0.5 to 0.65 of the third length.

Abstract: A hand tool includes a handle with two heads respectively formed on two ends of the handle. A layer of paint is coated on the handle and has a color that is different from the color of the handle. The layer of paint has at least one hollow portion defined therethrough which can be a character, a digit, a pattern, a specification or a mark. The layer of paint has an anti-slip surface. The layer of paint is first coated on the handle by way of baked coating, and a portion of the layer of paint is removed by way of laser to form the at least one hollow portion. The layer of paint provides better grip feature and desired information of the hand tool.

Abstract: An open wrench includes a body having a mounting hole defined therethrough. Two first faces and two second faces are respective defined in the inside of the mounting hole. The two first faces and the two second faces are located along four consecutive sides of an imaginary hexagonal body. Each first face has at least two teeth defined therein. Five curved faces are defined in the inside of the mounting hole and located corresponding to five corners of the imaginary hexagonal body. Each of the first and second faces has a contact face and each contact face is connected between two adjacent curved faces. The length of each contact face is 0.5-0.65 of the length of each side of the imaginary hexagonal body.

Abstract: A pawl structure of ratchet wrenches has multiple engaging teeth, a first recess and a second recess. The engaging teeth include first teeth at the mediate portion and second teeth are respectively located at two ends of the engaging teeth. The tips of the first teeth are located on a first curve which has a center and a central line extends through the center and intersects the first curve. The tips of the second teeth are located on a second curve which gradually leaves from the center of the first curve along with the second curve extending away from the central line. The first recess is located corresponding to the central line and the first teeth. The second recess is located corresponding to the second teeth.

Abstract: A ratchet wrench includes a reception hole defined through the function end of the wrench and a recess is defined in the inner periphery of the reception hole. A ratchet wheel is rotatably located in the reception hole. A pawl, a restriction member and a resilient member are received in the recess. The two ends of the resilient member respectively contact the pawl and the restriction member to bias the pawl to be engaged with the ratchet wheel. A restriction ring is located in the reception hole and has a rod extending therefrom, the rod extends into the recess. The restriction member is located between the rod and the inner periphery of the recess.

Abstract: An open wrench includes a body having a mounting hole defined therethrough. Two first faces and two second faces are respective defined in the inside of the mounting hole. The two first faces and the two second faces are located along four consecutive sides of an imaginary hexagonal body. Each first face has at least two teeth defined therein. Five curved faces are defined in the inside of the mounting hole and located corresponding to five corners of the imaginary hexagonal body. Each of the first and second faces has a contact face and each contact face is connected between two adjacent curved faces. The length of each contact face is 0.5-0.65 of the length of each side of the imaginary hexagonal body.

Abstract: A pawl structure of ratchet wrenches has multiple engaging teeth, a first recess and a second recess. The engaging teeth include first teeth at the mediate portion and second teeth are respectively located at two ends of the engaging teeth. The tips of the first teeth are located on a first curve which has a center and a central line extends through the center and intersects the first curve. The tips of the second teeth are located on a second curve which gradually leaves from the center of the first curve along with the second curve extending away from the central line. The first recess is located corresponding to the central line and the first teeth. The second recess is located corresponding to the second teeth.