This round hoop mandrel is solid steel with a highly polished surface and tapers from 2" to 3/8" for a wide range of rings, earrings, hoops and bracelets, giving it a great variety of uses for goldsmiths, silversmiths, jewelers and bead artists.  The weight of the solid steel gives it the heft that one needs to more easily work non-ferrous metals.  weight 4 lbs.  Length 12".