Bosch BITS HEX 4 L:25MM 3 PCS.

It has an external hexagonal shaft of 1/4 inch and is intended for universal mounting of screws with screwdrivers and power drills. This Extra Hard screwdriver bit is a good choice for versatile use. All tasks can be performed thanks to the bit's modified S2 steel and an optimized heat treatment process, which provides extra hard quality and enables sufficient performance in all tasks. The tapered torsion zone of the bit easily handles maximum circumferential speeds when absorbing force and vibrations during screw installation, making it suitable for all tasks. Drive unit ISO 1173 C6.3, 1/4" external hexagon