1、The enclosure is machine die-casting molded with fine aluminum alloy. 2、The surface is oxidized treated,beautiful and elegant sandblast black oxide color. 3、The heating dissipation and signal shielding performance is great. 4、Can be used for decoders, controllers, electronic products, heat-dissipating aluminum casing, printed circuit board wiring aluminum box, thunder protection aluminum shell, DIY, etc. 5、The thickness of the flap is between 25~5mm which is strong and of high protective performance. 2 x Shell 2 x Baffle 1 set of Screws Item Type:EnclosureColor:Sandblasted Oxidized BlackMaterial:Aluminum AlloySize:48 x 204 x 160mm / 1.89 x 8.03 x 6.3in Flap Thickness: 1.25~ 1.5mm