Toggle Clamps are used to hold and lock workpieces between the jaws. Squeeze action clamps, also known as plier clamps are a type of toggle clamp that are used in metal sheet working and welding fabrications. These portable clamps are used to provide quick and flexible clamping. They are supplied with a release lever for easy opening of clamps with an optional spring opening device. Toggle Clamps are available in either forged alloy steel or carbon steel material.