SOLAR PANEL MOUNTING Z BRACKETS are suitable for installing 50W to 300W solar panels.UNIQUE DESIGN : Bent design with a certain height, is easy to use and very suitable for irregular surfaces.Such as installed on rooftops,, trailers, ships, recreational vehicles or yachts.WIDE APPLICATIONS RANGE : The mounting hole reaches 24mm, which can various specifications of solar panels on the market.LIGHTWEIGHT STURDY :Unlike stainless steel solar mounts, corrosion-resistant aluminum alloy mounts are lighter stronger, support solar panels better, and have no burden on the roof.Colour: silverMaterial: aluminumPackage Contents:4 * Z-brackets4 * hex nuts4 * 1/4-20 x 3/4inch hex bolts8 * flat washers4 * split ring lock washersOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.