This set includes a selection of commonly used 1/4" hex impact screwdriver bits made from S2 steel, which is correctly hardened and tempered for durability and long life. Each has a blackened 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 inside a portable plastic storage block with the tip type and size clearly indicated. The block can be secured using the attached carabiner clip. 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 • Supplied in a portable storage block with a carabiner clip attached Specifications Bit length: 50mm Shank type: Hex Shank size: 1/4" Material: S2 steel Contents 1 x 50mm Plain slot: 5mm 5 x 50mm PZ-type: No. 1, No.2 (x3), No.3 2 x 50mm Cross Slot/PH Type: No.2, No.3 2 x 50mm Draper TX-STAR®: T20, T25