The irwin quick grip xtreme pressure clamps can be operated with a single hand and offer a clamping force of 250kg a tool free quick change function allows the jaws to be reversed to perform a spreading action features longer length jaws with a unique swivelling action to keep constant pressure on uneven surfaces they also have a bar rest to allow you to place larger items in the clamping jaws hands free enhance your clamps with a wide range of quick grip clamp accessories