Enhanced grip power, our screwdriver bit pulls screws and streamlines the work process, saving installation time and effort Comes with 6 different size driver bits: 25 / 50 / 65 / 70 / 90 / 150mm suitable for most hand drivers, electric screwdrivers, and drills Meticulously creates the perfect screw to minimize slipping Efficiently absorbs torque from the driver Selected from steel, the surface is sandblasted for reliability. Suitable for replacing lost, bent or damaged driver bits Suitable for various tools such as screwdrivers, manual screwdrivers, electric screwdrivers, drills, etc. Suitable for machine equipment, automotive, furniture, etc, Manufacturer: Pffiocix