Eclipse Magnetics E680 Ceramic Shallow Pot Magnet, 1.25" Diameter x 0.19" Thickness Nickel plated steel pot with ceramic magnet Ceramic magnets are the most widely used magnet type because of their relatively low cost and high coercive properties (do not lose their magnetic properties easily) Operate up to 250 degrees C maximum temperature (for higher temperature applications, search for Eclipse Alnico Magnets) 82 pounds of pull force 2.63-inch diameter x .38-inch thickness