Quick, Easy Benchtop Clamping with Automatic Adjustment. 6in reach (152mm). Clamps materials up to 5in thick (127mm). Adjusts automatically to match material thickness. Easy-to-regulate pressure with a simple thumbscrew. Large clamp faces spread pressure evenly. Ergonomic padded grips prevent hand fatigue. Compatible with the Kreg Clamp Table, Clamp Trak, Clamp Plate, and the Universal Clamp Trak Kits