Makita Impact Black Torsion magnetic 1/4" Hex Shank Nutsetter. For Use With Impact Drivers. Black Coating Prevents Rusting. High Durability With Longer Life Than Standard Bits. (8mm x 50mm). Makita Impact Rated Nutsetter 8mm in Black. Makita Impact Black bits are designed to withstand high torque when used with Impact Drivers. They are constructed from high strength, heat-treated S2 special steel. The black coating is to prevent rust. With precision-made tips to ensure a perfect hold. Up to 20% more durable than a standard bits. Socket Type Nut Setter, AF Size - Metric 8mm, Drive Size - Imperial 1/4\"", Product Range Makita - Impact Black Nut Setters. Magnetic Length 50mm Nutsetter 8mm 1/4" hex shank. Pack quantity 1.