A 5 Piece Screwdriver Bit Set from Irwin, designed for use in high torque impact drivers. Manufactured from heavy-duty, high grade steel which increases life compared to standard screwdriver bits.

The precision tip geometry offers a superior fit, reducing stripping and slippage.The bits are Power Groove designed for compatibility with Irwin Impact Performance Series magnetic screw-hold attachment.

Supplied in a moulded ABS resin case.