1、Mounting Z Bracket: The solar panel mounting brackets could provide extra edge support, long hole shape, good versatility, more hole design to provide stable fixation. 2、Practical: With nuts, screws, securing installation, making mounting easy, and could provide enough space between the panels and the roof for cooling. 3、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 4、Excellent Performance: Sturdy and durable, not easy to bend, works well in hot, cold or wet weather. And works well in 50W‑150W solar panels. 5、Multi Application: The solar panels can be quickly installed in RVs, motorhome, boats, campervans, cottages, sheds, garages, safer and practical. Specification Item Type: Solar Panel Mounting Brackets Material: Aluminium alloy Applicable Solar Panel Range: 50W-150W Fitment: Applicable for RVs, boats, households, etc Package List 8 x Bracket 21 x Screw 8 x Nut