Detailed description: The MTS Four-Head Pneumatic Chuck is a high-efficiency and high-precision zero-point positioning fixture system that can be used on any machine tool. With its strong versatility and fast-change clamping device, this system allows for quick and easy fixture changes and automated workpiece loading and unloading. It is made from high-quality Nippon stainless steel with a hardness of 57~60HRC, providing excellent wear and corrosion resistance. The clamping device requires 6kg air pressure and exerts a force of 15000N, and the four chucks can be controlled by a single switch that operates the pneumatic valves. With dimensions of 400x360x55mm, this fixture system is suitable for use on a wide range of machine tools. The MTS Four-Head Pneumatic Chuck is a highly efficient and reliable fixture system that can significantly improve machining efficiency and production quality.