Mophorn Jewelry Rolling Mill Combination Rolling Mill 130mm Wide 65mm Diameter Rollers Manual Rolling Mill Machine JewelryMAIN PARAMETER The manual combination rolling mill, with 130mm wide 65mm diameter rollers, features maximum 5 mm opening, is designed for jewelers and crafts people. Flat area (+ 0. 01mm): 57 mm (2. 24 inch). Square wire(+ 0. 01mm): 1. 0, 2. 0, 3. 0, 4. 0, 4. 5, 5. 0, 5. 5, 6. 0, 6. 5, 7. 0. Ring shank half round ellipse(mm): 2. 5x1, 3x1. 25, 4x1. 5. Produce metal foil as thin as . 001 inch DURABLE The rolling mill machine is made from precision steel