Includes: 2 quick-release clamps with a maximum opening of 160mm, a throat depth of 60mm. Suitable for rails with an opening of at least 11 x 7.5mm. Superior Clamping Force: Up to 220kg of clamping force for safe placement and secure clamping for a smooth workflow. Special Design: Features an ergonomic wooden handle for quick and comfortable clamping, and the pressure pad is made Made of removable and non-damaging plastic. The parts can be well protected. Derailment Prevention: The F-rail clip stably fixes the saw on the guide rail to prevent accidental derailment of the saw. Please Note: These are designed for use with MFT tables, chainsaw rails, and some heavy-duty T-tracks with an opening of at least 11 x 7.5 mm. Please check your T-track size for proper fit.