The DeWalt DWA2SLVIR Flexor screw lock sleeve 2 inch Impact Ready maximum torque bit is CNC machined, resulting in accurate manufacturing for optimal fit into the screw recess. A reflex core allows 2-in bits to flex up to 15-degree to reduce breakage. These bits are a part of the 10x magnetic screw lock system for fastener retention which minimizes drops and reduces wobbling. Impact Ready bits with Flexor have increased durability for longer life.