CLMP402 Robust Heavy Duty C-Clamps are a type of heavy duty C-clamp that is designed to withstand high pressure and force. These clamps are made from robust materials such as cast iron, steel or aluminum, making them highly durable and resistant to wear and tear. The CLMP402 clamps come with an adjustable screw mechanism that allows users to adjust the pressure and tension applied to the workpiece easily. Moreover, these clamps are perfect for use in heavy industries, construction, woodworking and metalworking where they can be used to hold and secure large objects.