High Grade Steel: Protorq drive bits are made from shock-resistant and heat treated S2 steel for professional performance and maximum durability.
Superior Fitment: Each bit features a precision-machined tip for ideal fit in screw head recesses, resulting in less stripped screws.
Highly Compatible with Tool: Protorq magnetic drive guide bit holder is designed with 1/4"hex shank, the unique power groove can fit most powered corded or cordless drill.
Design Consideration: Screw Guide Bit Holder is designed to hold extra long fasteners in place, for more efficient hands-free fixing.