Feature: - Adjustable solar panel mounting brackets designed for off-grid solar systems. - Great addition for use on top of an RV or other flat surface. - Compatible with Solar Panels under 100W, the hole spacing is less than 530mm. - Quick assembly with stainless steel fasteners and precise hole placement. - At the time of installation, the mounting holes on your solar panel frame is required to be adjusted according to the mounting holes on our brackets. Made from rust-free aluminum with stainless steel hardware. (Fasteners for attaching solar panel to mount included) Easy to fix and install. - Especially beneficial over winter months when there is less sunlight. Gain up to 25% more solar panel efficiency by tilting your panels towards the sun instead of laying them flat. - Designed for solar systems, can be used on RV, MARINE, MOTORHOME, roofs, sheds, garages or other flat surfaces to tilt solar panels, or ground. Specifications: Size: (S) Length: 290*556*556mm (11.41"x21.88"x21.88") Material: Aluminum alloy AL6005-T5 Color: Silver Packing list: 4 x rails 2 x legs 1 x screw accessories set