Create various strong connections with the Kreg Quick Release Double Sided Insert! It will help you quickly join corners, fasten false facades to drawers, and more. This versatile tool has a drill bit on one side that allows you to drill an adjustable depth pilot hole and a 3/8-inch countersink. On the other side, it has a 1/4” hex shank to drive screws in a wide variety of applications. The double-sided insert chucks fit any drill, have an ergonomic user-friendly design and impact-resistant construction.