XIANQI Product Description: Quantity: 1set Color: black Solar Panel Mounting Brackets High Bending StrengthUsing high-quality aluminum alloy materials, high strength, corrosion resistance, UV resistance, high frequency insulation performance, will not be affected by hot, cold or humid weather. Easy to Install Solar Panel Z Brackets There are pre-drilled holes in the surface, and the provided bolts and washers can be used to easily install. With the use of our organic silicone water with excellent performance, the effect is better. Easy to install and remove. Safer and More Practical Unique Design The solar panel bracket is lightweight and compact, thin but very solid. The ventilated Z-shape with extra edge is exactly what you need to protect the solar panel battery. Widely Used Solar Panel BracketConvenient for recreational vehicles (RV), boats, RVs, cabins or other places where you need to install. Very suitable for installing 20W to 300W solar panels.