The Irwin Impact Screwdriver Bits are specifically designed for use in high torque impact drivers. They are manufactured from heavy-duty, high-grade steel and have a 3 times increased life compared to standard screwdriver bits. Their precision tip geometry delivers superior fitment, reducing stripping and cam-out.

The bits are Power Groove designed for compatibility with IRWIN® Impact Performance Series™ magnetic screw-hold attachment. 

This set contains the following:
2 x PH1 screwdriver bits.
5 x PH2 screwdriver bits.
2 x PH3 screwdriver bits.
1 x Bit holder.

Supplied in a moulded ABS resin case.