Electro Permanent Magnetic ChucksFeatures · High and uniform magnetic power.· Perfect safety in case of power failure. No electricity needed to keep the Magnetic chuck ON.· Unobstructed movement of cutters during machining.· Drastically reduces set up time.· Helps in achieving best machining accuracy.· Uniform clamping over entire area,Website:http://www.gmexm.com, no chattering of tools, improves finish and tool life.