... .5cm,thick 0.8mm 8inch aluminum LED lamp reflector for downlight from 2 to 21", light cup, light coverFeatures: Material1070 O ... Thai aluminum,1080,1090,duraluminThichness0.5mm to 1.5mm Size 2" to 21" Surface Treatment annodized,polishing,chrome plated,painting ... light,metal halide light,spotlight,downlight,lampshade,and so on. , 8 inch aluminum LED reflector,lamp cover for downlight