Irwin Speedbor 1/2 x 6 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, which helps reduce breakout and ensures cleaner results. Built with a 10% larger shank, this spade bit added durability for long-lasting performance. The bit size is 1/2 inch with a length of 6 inches and a shank diameter of 1/4 inch. It comes packaged individually on a card for easy storage and handling. Model Number: 88808