130MM Combination Ultra Mill with Ductile FrameFlagship Model Gear ratio 4: 1 Roller width 130mm Roller diameter 65mm Maximum opening 5mm Flat area (+ 0. 01mm) 66mm Square wire (+ 0. 01mm) : 1. 0, 2. 0, 3. 0, 4. 0 , 4. 5, 5. 0, 5. 5, 6. 0, 6. 5 Ring shank half round ellipsis: 2. 5 x 1: 3 x 1. 25 ; 4 x 1. 5 Capable of producing metal foil as thin as . 001" All models equipped with 4: 1 reduction gear box Custom designed heavy duty packaging Precision hobbed gears from solid steel no casted gears