These T40 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. Features and Benefits • 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 • Highly visible laser-etched size markings Specifications Tip size: T40 Tip type: TX-STAR Bit length: 25mm Shank type: Hex Shank size: 1/4" Material: S2 steel Quantity: 5 Contents 5 x Draper TX-STAR®: T40 x 25mm