... Aluminum 6063, Al6061 is also available Popular sales led mr 16 spotlight radiatorA. Surface: Mill finished, anodizing, powder coating, ... can be required by customer.Item ENR-MR 16 heat sinkMaterialAL6063-T5SurfaceAnodizedWeight/pc11gColorCould be customizedTechnicalExtrudedUsageExtrusion aluminum heat sink ... and sampleShipping portHK/ShenzhenPackageAs customer' s requestsMr 16 heat sink assy drawing