Description For 780 pounds of holding power in a 4.0 inch diameter by 1.25 inch in height electromagnet, AEC Magnetics offers the CES-400E-24C Heavy Duty Round 24-Volt DC model to hold, position or lift smooth, flat ferrous materials. What's nice about this line of electromagnets is we offer many varieties of sizes and holding powers--as well as power inlet locations, mating cord options, watts and weights. This model has 5/16-18 threads on 1.0 inch centers; weighs 7.0 pounds and draws 22 watts, and it mates with our E-style cord. You can see the engineering drawing by clicking on View PDF. Not exactly right for your application? We're standing by to assist finding the perfect configuration for you. Please call and ask to speak to an engineer, (800) 635-3954. AEC Magnetics electromagnets are the best going: Hand made using premium materials,100 percent are tested before you receive them and guaranteed to work as promised.