Minimum inside diameter 8″. Outside diameter range 17″ 26″ & 40”. Maximum Outside dia. with 3-Roller Bending: No Limit. Faceplate rotation speeds 2/3/5 rpm. CAPACITIES:Flat on Flat 1.3/4″ x 1/2″ to 8″ Minimum dia./ 2.3/8″ x 5/8″ to ...