Description Choose an AEC Magnetics CEA-300-12C for automated parts handling, packaging operations and many other uses. This model features a diameter of 3.0 inches, a height of 2.0 inches and a 1/4-20 mounting thread. It draws 10 watts, weighs 3.8 and provides 370 pounds of holding power. With a sturdy AEC 12-volt circular, you will have none of the maintenance, noise and air pressure requirements of vacuum cups or grippers. Select an AEC 12-volt DC power supply to complete your magnetic solution.