Combination Rolling Mill, 90 mm RollsLegacy Product Replaced with 187. 20A Gear ratio 4: 1 Roller width 90 mm Roller diameter 42. 6 mm Maximum opening 0 4 mm Flat area (+ 0. 01mm) 38 mm Square wire (+ 0. 01mm) : 1. 5, 2. 0, 3. 0,4. 0, 5. 0 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" We have started utilizing a unique hardening procedure which allows us to market superior rollers that will perform beautifully. Our