Irwin IW2039419 Speedhammer Quad Drill Bit 10 × 310mmThis Irwin Speedhammer Quad Drill Bit is designed for efficient drilling applications. Its robust construction ensures reliable performance.Features Quad flute design Optimised for speed and durabilitySpecifications Brand: Irwin MPN: IW2039419 EAN: 5706915394191 Diameter: 10mm Overall Length: 310mm Working Length: 250mm