Feature:1. The standard 1/4in hex handle can be connected to various screwdrivers and electric drill bits.2. 105 can be rotated left and right, support manual screwing, suitable for most electric drills and socket wrenches.3. The batch adapter can be used to tighten the screw and nut to extend to narrow parts for operation.4. The socket is equipped with magnetism, which can effectively fasten the bit, and it is not easy to slip and fall off after installation.5. Made of highquality chrome vanadium steel material, high hardness and wear resistance.Specification:Item Type: 105 Bit DriverMaterial: Chrome vanadium steelCorner Angle: 105Specification: 1/4in (approx. 6.35mm / 0.25in)Purpose: Suitable for most electric drills and socket wrenches, extending to the narrow parts they cannot reach, twisting screws and nuts.Package List:1 x 105 Bit Driver