Kant Twist clamps are designed for machine shops, sheet & plate fabricating, toolmaking, assembly tooling, mills, woodworking, welding, drill presses, mold making, punch presses, furniture manufacturers, and much more. These multipurpose lever clamps combine the best features of ordinary C clamps and parallel clamps.Floating jaws that always stay parallelDesigned to eliminate distorting or twisting actionCantilever clamping action, handle is out of work areaBuilt-in "V" block for round or rod stockFull support, no loose pads to walk off centerCopper plated jaws and screws are ideal for weldingDiagonal grooves on jaws securely hold long round bars