These Faithfull professional 1/4in Hexagon Drive Power Screwdriver Bits are manufactured from high strength, heat-treated S2 grade steel. Shock and wear-resistant, the bits feature precision machined tips for an optimum fit, helping to prevent screw stripping and cam-out whilst also providing a long working life.Select Option PZ2 x 100mm Pack of 3PZ3 x 100mm Pack of 3 Add to Basket Quantity