Designed for cordless drills to extend battery life while maintaining fast smooth and consistent cuts. Brad point and unique chamfered lead-in edge for smooth starts and fast cuts. Clean cutting for finished holes with minimal "blowout". Introduction hardened steel construction and precision ground cutting edges for durability and accuracy. Perfectly concentric for even and easy cutting of accurately sized holes. Performance superior to Spade and other Utility type bits. Quick -Change Shank for fast and secure change out. Length: 6 1/2" (165mm). Sizes: 8/8" (10mm).