Designed as key system components to the Festool MFT and Guide Rail systems, Festool Screw Clamps secure your workpiece for precision cutting, sanding, routing, sanding, or just about any other application. Designed to work seamlessly with holes and channels on the Festool MFT Multifunction Table and can be inserted into bottom t-slot of Festool FS Guide Rails for limitless positioning. Clamping thickness 4 11/16 inches (120mm). Includes 2 clamps.