2 x ForgeFix ForgeFast Pozidriv Compatible Impact Bits PZ1 x 50mm Carded ForgeFix ForgeFast Pozi Compatible Impact Bits with a 1/4in Hex shank. Made from specially engineered hardened steel to extend wear resistance and bit life. The optimal, shock absorbing torsion zone makes them ideal for high torque applications. The high tolerance machined tip reduces cam out and screw head damage. Finish: Black Phosphate.