... 4. Diameter: 40mm, 50mm, 60mm, 70mm, 80mm, 100mm 2013 new design LED bulb light and lamp /aluminun profiles BrandJianfaModelAVC4658Material AL 6063,6061 ... Surface treatment Mill finish, powder coating, Anodizing Application Cooling system/heatsink Features:1.Material: Aluminum 6061/60632.Surface treatments: ... below to send your feedbacks.Contact us and design your own items.We welcome your inquiry.