[Easy to install] There are two ways to install the solar panel brackets, we provide free glue and nuts and bolts to fix the solar panel easily. [Large application] The Z bracket is suitable for installation on uneven surfaces and supports mounting on RVs, roofs, RVs, trailers, boats, RVs, cabins or anywhere you need it. [Sturdy and Durable] This solar panel bracket is made of corrosion-resistant aluminum, strong and lightweight, weather and rust resistant, and not easily bent. [What You Get] 16 Z-brackets, 16 sets of nuts and bolts, 1 sealant. Provide 12-month warranty and lifetime technical support. [Compatibility]This mounting bracket is compatible with most brands and can accommodate a wide range of solar panel sizes on the market, and suitable for mounting solar panels from 50 W to 300 W.