Can be used with electric screwdrivers, electric drills, pneumatic tools and any other standard tools.
The screwdriver head is a double-head design, both sides can be fastened, easy to replace and use.
The screwdriver bit has a long handle, is easy to install on tools such as electric drills, and is not easy to fall off.
The concentric shaft with high fit and high accuracy can accurately lock the screws when in use, without slipping and not easy to wear.
Made of alloy steel material with proper hardness and torsion, making the bit not easy to break and wear.