Solar Panel Mounting Z Brackets: makes it easy to mount solar panels to recreational vehicles (RV's), boats, motorhome, cabins or anywhere else where you need a simple yet reliable to mount solar panels. Wide Applications Range: the mounting hole reaches 24mm, which can meet various specifications of solar panels on the market. It is suitable for installing 50W to 300W solar panels. High Quality Materia: made of aluminum material, lightweight, this solar panel is perfectly supporting solar panels in off-grid installation. Easy to Use: solar panels holder bent design with a certain height, is easy to use and very suitable for irregular surfaces. Such as installed on rooftops,RVs, trailers, ships, recreational vehicles or yachts. Sturdy and Durable: working well during hot, cold or humid weather. Colour: black Material: aluminum alloy Package Contents: 1 set * 4 units solar panels Z kit 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.