General description The Irwin 32 Piece Pro Impact Screwdriver Bit Set is specifically designed for high torque impact drivers. Manufactured from heavy-duty, high-grade steel, these bits offer a lifespan three times longer than standard screwdriver bits. Their precision tip geometry ensures superior fitment, reducing stripping and cam-out. The bits feature a Power Groove design for compatibility with IRWIN® Impact Performance Series™ magnetic screw-hold attachments. Technical specifications Material: Steel Length: 25 mm and 50 mm Number of pieces: 32 Type: Impact screwdriver bits set Compatibility and accessories Compatible with high-torque impact drivers Designed for use with Irwin Impact Performance Series magnetic screw-hold attachments Includes: 7 x 25mm Phillips Bits (PH1 x 2, PH2 x 3, PH3 x 2) 7 x 25mm Pozidriv Bits (PZ1 x 2, PZ2 x 3, PZ3 x 2) 7 x 25mm TORX Bits (T20 x 3, TX25 x 2, T30 x 2) 5 x 50mm Phillips Bits (PH2) 5 x 50mm Pozidriv Bits (PZ2) 1 x 3in Bit Holder Installation