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 the IRWIN Impact Performance Series magnetic screw-hold attachment. The easy-to-read size markings provide simple identification of set contents

This set contains the following:
1 x T10 screwdriver bit.
2 x T15 screwdriver bits.
2 x T20 screwdriver bits.
2 x T25 screwdriver bits.
1 x T30 screwdriver bit.
1 x T40 screwdriver bit.
1 x Bit holder.
Supplied in a moulded ABS resin case.