It has a 1/4" external hex shank and is intended for universal screw-driving with screwdrivers and drill drivers. This Extra Hard Screwdriver Bit is a good choice for universal use. All tasks are achievable thanks to the bit's S2 Modified Steel and an optimised heat treatment process resulting in extra hard quality, enabling adequate performance in all tasks. The bit's tapered torsion zone copes easily with torque peaks as it absorbs force and vibrations when screw-driving and thus fulfilling all tasks. Features & Benefits • Universal Use • The Extra Hard Screwdriver Bit is a good choice for universal use • S2 Modified Steel and an optimised heat treatment process results in extra-hard quality for adequate performance • The tapered torsion zone copes easily with torque peaks, fulfilling all tasks Specifications: • Head Type: Pozi PZ2 • Length: 25mm • Pack Quantity: 25 (x2) Contents • PZ2 Screwdriver Bit 25mm (x50) • Tic Tac Case (x2)