Irwin Speedbor 7/8 x 4 in. Spade Bit features a Blue-Groove point and cutting edge designed for faster chip removal, making your drilling tasks more efficient. Its double cutting spurs precisely scribe the outside of the hole, reducing breakout and ensuring a clean finish. The bit includes a 10% larger shank for added durability, providing a longer-lasting tool for your projects. Crafted from carbon steel, this spade bit measures 7/8" in size with a 4" length and a 1/4" quick change shank diameter, making it compatible with a variety of drills. Packaged individually on a card, this bit is i for both professional and DIY use. Model Number: 87914