... Material: Aluminum 6063, Al6061 is also available Popular sales led mr 16 spotlight radiatorA. Surface: Mill finished, anodizing, powder coating, brushing ... . etcG. Technical information can be required by customer.Item ENR-MR 16 heat sinkMaterialAL6063-T5SurfaceAnodizedWeight/pc11gColorCould be customizedTechnicalExtrudedUsageExtrusion aluminum heat sink ...