Screwdriver Bit made to exacting standards.
They 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 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 increase their wear resistance.
The bits have a 1/4in hexagon drive and all 50mm long for the professional.

Strip of 10 bits.
4.5 slotted x 50mm
1/4in Hexagon Drive.