Description You are looking at the AEC Magnetics Heavy Duty Round 24-Volt DC electromagnet model DCA-400E-24C. With a diameter of 4.0 inches and a height of 2.0 inches, this magnet delivers 980 pounds of holding power while drawing 29 watts. The threads are 5/16-18 on 1.0-inch centers. This magnet weighs 7.0 pounds and uses the AEC Magnetics E-style cord. AEC Heavy Duty Round 24-Volt DC are a tremendous choice for lifting, positioning and holding smooth ferrous parts. See its engineering drawing by clicking, "View PDF." These magnets are super-sturdy and 100% guaranteed to work as promised. Our tremendous variety of sizes, configurations and holding powers provides you with custom quality magnets with off-the-shelf convenience. For a great magnet, an easy install and outstanding performance, choose AEC Magnetics industrial electromagnets. Want to discuss? Call an AEC Magnetics engineer at (800) 635-3954.