Strong magnetic pull for lifting, holding, sorting, clamping or retrieving steel or iron parts. Hole in top of magnet for attaching conveyors, racks, and welding jigs. Width: 2-1/2". Pole Depth: 1-7/8". Pole Width: 5/8". Opening Between Poles: 1-3/8". Weigth each with Keeper: 28 oz.