Allegro Industries 940125 Magnetic Lid Lifter, Steel Dolly, Magnet Lift, Weight 660 lb Flat Items, 330 lb Round Items The Dolly is made of steel construction Dual position lifting points provide the power to break loose the most stubborn covers Magnet clamps to cover without any special tools Magnet eliminates the use of pry bars Magnet (lift weight: 660 lbs. (299 kg) flat items, 330 lbs. (149 kg) round items)