Includes:2 quick screw clamps with a maximum opening of 160mm, a depth of 60mm.Suitable for tracks with an opening of at least 11 x 7.5 mm. Superior Clamping Force: Up to 220kg of clamping force for secure positioning and secure locking for smooth workflow. Special Design: Features an ergonomic wooden handle for quick and comfortable clamping, and the pressure pad is made of removable and non-harmful plastic. The parts can be well protected.< br>Prevention of derailment: The F guide clip stably fixes the saw on the guide rail to avoid accidental derailment of the saw. Note: These are designed for use with MFT tables, chainsaw tracks and some heavy duty T-tracks with an opening of at least 11 x 7.5mm.Please check the size of your T-rail to ensure it is suitable.