Switch between drill functions in seconds with the FastFix interface, saving time and eliminating cost of dedicated, single purpose tools. The Right Angle Chuck is the ultimate solution for close quarter hole or fastener placement. Drill or drive between studs, joists, cabinet or drawer spaces, or virtually any constrained space without switching over to a separate, dedicated tool. This features a 1/4"inch hex drive with wire detent. This chuck accepts Festool Centrotec or keyless chuck. Chuck rotates 360 degrees with 16 presets.