1. Solar Panel Mounting L Brackets Aluminum -Free Aluminum Construction for RVs, Trailers, Boats, Yachts, Wall and Other Off Gird Roof Installation. 2. Mounting L brackets are very easy to use, unique designed, and perfect for irregular surfaces, Anodized Aluminum L brackets, Stainless Steel Hex Bolts and Screws, service life up to 25 years, perfectly supporting solar panels in off-grid installations. 3. They are composed of aluminum material and are light weight.Light weight in quality construction, rust free and excellent resistance performance. We our L brackets performs well in all weather conditions. 4. L Brackets are ideally designed to install single solar panels from 50w-150w on RVs, Trailers, Boats, ,Yachts, Wall, Cabins, Sheds, Garages and Other Off Gird Roofs. 5.Bracket angle adjustment range: 0 - 180 Solar panel holder stand mounting : ground mounted or wall mounted. Colour:silver Material:Aluminum Alloy Package Contents: 2pcs x Solar RV Photovoltaic Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.