Lightweight Aluminium frames and carbon steel bar are strong and durable and the clamps are capable of achieving up to 180kg of sustainable holding force and are ideal for gluing, postioning and fastening in wood working applications. They feature a rapid clamping action with a quick release button that instantly releases the clamp. The removable pads stay fixed to the clamp giving an even distribution of clamping force across the workpiece protecting it from marking damage.