Features:3? reach (76mm); clamps materials up to 3-3/4? thick (83mm)Adjusts automatically to match material thicknessEasy-to-regulate pressure with a simple thumbscrewLarge clamp faces spread pressure evenlyErgonomic padded grips prevent hand fatigueCompatible with the Kreg?Clamp Table,?Clamp Trak,?Clamp Plate, and the?Universal Clamp Trak Kits