Irwin Speedbor 3/4 x 4 in. Spade Bit features a Blue-Groove point and cutting edge designed for faster chip removal, making your drilling tasks more efficient. The double cutting spurs carefully scribe the outside of the hole, which helps reduce breakout and ensures cleaner results. This spade bit also boasts a 10% larger shank for added durability, providing long-lasting performance. Made from carbon steel, it measures 3/4" in bit size with a 4" length and includes a 1/4" quick-change shank for easy swapping between tools. The product comes packaged individually on a card for convenient handling and storage. Model Number: 87912