print aluminum roller Daimeter:30-100 6061-T6, 6063. polished,and anodized Machiing slot , for special printing equipment Aluminum rollerDaimeter:6-500mm6061-T6, 6063.anodized and powder coatingMachiing slot and hole and polish.Max 3000 mm Length : according to customer requiredStandard :ASTM B210M, ASTM B241M,ASTM B221Mfinishing: we can polish first and then anodized.Application for printer, ...