IRWIN® Impact Pro Performance Phillips Screwdriver Bits have been engineered for maximum durability and turning force when used in extreme applications. The full fit head eliminates wobble and screw head roundings. With a contoured area, so the bit tip flexes with the torque of the impact driver. Flex optimised to transfer maximum torque through the screw and maximise life.Select Option PH2 25mm (Pack 10)PH2 25mm (Pack 2)PH2 25mm (Pack 20)PH2 57mm (Pack 2) Add to Basket Quantity