Highlights: When anodising, a particularly hard protective layer is chemically applied to the aluminium. This layer protects particularly well against weather, mechanical influences and corrosion. Material: aluminium construction, rust-proof, includes stainless steel mounting screws [Installation] With stainless steel screws and nuts to attach the system to the installation surface, mounting small solar system is easier. [Application] Ideal for roofs, boats, cabins, houses and many other applications. [Package Contents] 4 x Z solar panel brackets, 8 x M6*20mm stainless steel screws, 8 x flange nuts, Weight: 3.968320716E-4 pounds, Manufacturer: SolarV