Ring rollers are used to make rings with diameters ranging from 3 inches to the desired size Fine adjustment of the top roller, manual crank provides power for the circular roller The metal size can reach 3/16 inch x 1 inch, and the circular size can reach 1/4 inch Manual operation: 3 rollers, 2 driven rollers. Tools suitable for making branch chandeliers, plant racks, and candle holders, Weight: 13.0182965711 Pounds, Manufacturer: Hipzeepo