For clamping portable pocket hole jigs to material up to 38mm thick.|75mm Clamping Capacity for securing materials up to 38mm thick.|80mm Clamping Depth perfect for wider materials|1800Nm Concentric Clamping Force ensures jig is properly secured to material.|Swivelling Jaw provides even clamping pressure on out of square and uneven material.|Quick-Release Ergonomic Handle for fast clamping and releasing, with thumb screw adjustment for different material thicknesses. |Steel Construction for high clamping forces and durability.