14 Pcs Power Nut Driver Bits Impact Torsion Nuts Drill Screwdriver Bit Set Socket Driver Adapter and Reducer Set Metric System British System

High Impact Torsion Nut Drivers are engineered to withstand the high torque output of an Impact Driver. The Torsion Zone transfers the optimal amount of torque to help prevent stripping and shearing of fasteners. Allowing users to complete fastening applications with precision placement. Optimized geometry and recessed corners drive fasteners on the flats, helping to minimize the buildup of metal shavings and reduce rounding of the hex head. Specifications: Material: Chrome Vanadium Steel Shank length: 2.2cm Shank diameter: 1/4 inch (6.35mm) Socket diameter: Mil(7pc): 3/16", 1/4", 9/32, 5/16", 11/32", 3/8",7/16" Metric(7pc): 5, 5.5, 6, 7, 8, 10, 12mm Quantity: 14pcs Package Include: 14 * Nut Drivers 1* Mount Note This Nuts tools without magnetic