Witte screwdriver bits are made to very exacting standards to ensure maximum transmission of torque to the screw by a special hardening process and an exact fit of the bit to 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 which increases the wear resistance of the Bitflex Pozidriv.
Manufacturers Product Code GRPWIT26821
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