5/16" Nut driver bit with Magnet replacement cartridge for the DRIVERBACK Lanyard System.
Engineered to withstand the high torque output of an Impact Driver with a 1/4-inch drive. The industrial strength magnet helps to maximize fastener retention. Use this magnetic nutsetter with sheet metal screws and other hexagonal head fasteners. This power bit is made of hardened steel. It is ideal for high torque tasks and accommodates a variety of drilling applications.