Irwin Speedbor 1-1/2 in. 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 carefully scribe the outside of the hole, which helps reduce breakout and ensures cleaner holes. The bit also boasts a 10% larger shank for enhanced durability and a secure fit. Made from durable carbon steel, this spade bit measures 1-1/2 inches in size with a 4-inch length and includes a 1/4-inch quick change shank for easy bit swaps. The product comes packaged individually on a card for convenient storage and handling. Model Number: 87924