Witte Titanium Coated Screwdriver Bits are made to very exacting standards and ensure maximum transmission of torque to the screw. This is achieved by a special hardening process and by ensuring an exact fit of the bit to Phillips and Pozidriv screws. In addition there is a special recessed neck called the Flex-Zone which absorbs shock loads thus giving increased durability. There is also a special coating of titanium nitride on the bit which increases their wear resistance. Size: 1pt. Length: 50mm. Drive: 1/4in Hex Drive. Pack Size: Card of 1.