Festool 497951 CXS / TXS Fastfix (FX) Right-Angle Drill Chuck allows you to switch between drill functions in seconds with the innovative FastFix interface, saving you time and eliminating the need for dedicated, single-purpose tools. This right-angle chuck is the solution for drilling or fastening in tight spaces such as between studs, joists, cabinets, or drawers without having to switch to a different tool. It features a 1/4 inch hex drive with wire detent and accepts Festool Centrotec or keyless chucks. The chuck rotates a full 360 degrees with 16 preset positions, making it versatile and easy to use in virtually any constrained space. Model Number: 497951