... . The precision can be 8-level. No-cut inside. It is light and rustless and loDescription of aluminium ... T4/T5/T6, etcSurface TreatmentOxidized, Electrophoretic, Mill finished, Anodizing, Power coating, PVDF coating, Wooden coating, etc.Series40 Series, 50 Series ... and durable, Resistance aging, Long service lifePackingPlastic film inside,plastic buble bag,/brown paper,/outside rolled by craft paper ...