• Specifically designed for use with an impact driver • The shock absorbing torsion design increases torque performance • Precision ground tips prevent cam out and screw damage • Made from S2 steel for durability and long life • Supplied in a robust plastic caseThese T20 Draper TX-STAR® impact screwdriver bits are made from S2 steel, which is correctly hardened and tempered for durability and long life. Each has a blackened 1/4" hex shank with a shot blast finish and precision ground tips to prevent cam out and screw damage. The shock absorbing torsion design increases torque performance. There are highly visible laser-etched size markings on the hex shank. Specifically designed for use with an impact driver. Supplied in a robust plastic case with a clear lid and sliding latch.20 x Draper TX-STAR®: T20 x 50mmTechnical SpecificationBit length: 50mm Material: S2 steel Quantity: 20 Shank size: 1/4" Shank type: Hex Tip size: T20 Tip type: TX-STARTechnical Specification:Material: S2 steel P