... :8; (3)Height of Rooofing:3.5mm; Detailed Informations of YX3.5-1140 Side Panel Roll Forming Machine, roll machine,roll ... Width300mm and 305 for YX3.5-253,600mm and 610mm for YX3.5-504,1200mm and 1220 for YX3.5-1140 11.Thickness ... chrome on the surface of rollers,polished all the rollers YX3.5-1140 Side Panel Roll Forming Machine