Milwaukee® STOP LOCK™ hand clamps won't back off material once the clamp force is applied. The non-ratcheting hex release mechanism offers easy 1-handed release and maximum staying power. Built with engineered polymer pads Milwaukee® hand clamps provide a secure hold on a variety of jobsite surfaces. The ergonomic anti-pin handles provide a non-slip grip surface for maximum comfort and superior performance. Milwaukee® stands behind their product and offers a limited lifetime warranty with all hand clamps.