Aluminum--high quality Products Information:CL-9Dimension: Dia92mm, Cut-out74mm, Ring:68mm,Weight: ... ,Suits for MR16/GU10/GX5.3, we supply only the lamps, without the base, if require for, pls info when you ... /GU10:COB LED LAMP MR16/GU10:Factory: Aluminum Light ceiling lamps