KNIPEX Universal Mall. Cast Iron clamps are designed for versatility and strength. Made from high-quality cast iron, these clamps provide excellent durability and stability for various applications. They are suitable for both woodworking and metalworking, offering a reliable grip on materials. The clamps feature a robust design that ensures they can withstand heavy loads, making them ideal for demanding tasks. Their universal application makes them a valuable addition to any workshop, providing the necessary support for a wide range of projects.