Back Home / Tools and Equipment / Driver Bits / TEK DRIVER-HEX HEAD-MAGNETIC 5/16″ TEK DRIVER-HEX HEAD-MAGNETIC 5/16″ SKU: TD56 Categories: Driver Bits, Tools and Equipment Magnetic nut setter. Made from S-2 shock resistant steel. Industrial quality. Rc 60 hardness. Size 5/16″. 1-3/4″ long. Magnetic nut setter. Made from S-2 shock resistant steel. Industrial quality. Rc 60 hardness. Size 5/16″. 1-3/4″ long. Case Quantity: 1 Log In For Pricing