Abstract: A multi-functional tool handle comprises a handle main body, a fixing seat, and a set of head tips. The handle main body is provided with a receiving groove therein for locating the head-tip set. The rear end of the handle main body is provided with a recessed groove for connection with an engaging part of the fixing seat. The engaging part is provided with and engaging groove and a fixing hole that are in communication with each other. Besides, the rear end of the handle main body is provided with an arm that is located in the recessed groove. One end of the arm passes through the engaging groove and extends into the fixing hole. Consequently, when a head tip is inserted into the fixing hole, the head tip can be pressed by the arm and thus positioned in the fixing hole.

Abstract: A tool handle self-contained a set of head tips comprises a handle main body, a set of head tips, a fixing seat and a stop member. The handle main body has on its bottom a fixing hole, and has a receiving groove on a lateral side thereof. The head-tip set includes a base, a protruding column raised from the base and some holding areas on the base; the protruding column has on its upper end a stepped portion; the holding areas each holds and fixes a head tip; when the head-tip set assembled with the receiving groove, the bottom of the base is flush with a lateral side of the handle main body, and the top surface of the protruding column forms at a hole of the receiving groove a pressing area for pressing to push out the head-tip set. A head tip can be fixed on the bottom of handle main body for use as a screwdriver.

Abstract: A tool handle self-contained a set of screwdriver bits includes a handle and a set of screwdriver bits in the handle. There is a fixed hole provided on the bottom of the handle and a receiving groove provided on the side of the handle. The set of screwdriver bits includes a base, a pillar installed on the base and a plurality of holding parts installed on the base. On the upper end of the pillar, a step portion is provided and each holding part holds a screwdriver bit. After the set of screwdriver bits and the receiving groove are assembled, the bottom of the base and the handle become a smooth surface and the top face of the pillar in the hole of the receiving groove forms a pressing face. If the pressing face is pressed, the set of screwdriver bits will move out from the handle. After the screwdriver bit is locked at the bottom of the handle, it can act as screwdriver. A tool handle self-contained a set of screwdriver bits can suit for various hand tools.

Abstract: The method of manufacturing a handle grip of a tool comprises the steps of: 1. to position a mandrel of a manufacturing machine and to inject plastic material to form an inner layer; 2. to release the positioning to leave positioning holes on the shaped inner layer, the inner layer then is processed by second time injection to completely envelop the inner layer with plastic and shape a middle layer; and 3. the middle layer being processed by third time injection to partially envelop the middle layer with plastic to thereby form an external layer with the middle layer partially exposed, and the handle grip of the tool with two colors in firm combining state being completed. On the handle grip made by these steps, the holes formed after taking off the mandrel of the manufacturing machine are holes for combining the stem of the tool; hence the holes made are not subjected to twisting and deformation, and is convenient for combining with the stem.