Features： 1、Secure Holding: The ventilated Z shape of the solar panel bracket with extra edges is exactly what is needed to protect the solar panel cells, slim but very strong. 2、Premium Kit: The anodized aluminum Z bracket, stainless steel hexagon bolts and screws in the kit have a service life of up to 25 years and support solar panels in off grid installations. 3、Superior Performance: The support is lightweight and compact, does not rust, suitable for all the bad outdoor performance, can maintain a long term stable fixed role. 4、Easy Installation: The surface of the bracket is pre drilled and can be easily installed using the supplied bolts and washers, no complicated tools are required. 5、Widely Used: Solar panel mounts can be used in boats, RVS, cabins or other places where installation is required. Ideal for installing 20W to 300W solar panels. Specification： Item Type: Solar Panel Mounting Bracket Material: Aluminum + steel Description: Ideal for installing 20W to 300W solar panels. Fitment: Fit for RV, trailer, boat, RV, yacht, Package List： 4 x Support 1 x Pack of Accessories (24 accessories)