Features: Specially designed for roof drainage channels, it can be securely installed on various types of roofs, ensuring the safe fixation of solar panel and avoiding slipping or damage. Support multiple angles adjustments, users can freely set the tilt angles according to the position of sunlight and seasonal changes. Make of high-strength aluminum alloy, it has excellent weather resistance and oxidation resistance, and can withstand the impacts of harsh weather conditions. The unique design makes the installation process of the bracket simple and fast. Suitable for most standard sized solar panel. Specifications: Component: Stainless Steel Size: about 83x89.5cm/3.27x3.52inch Package Includes: 4pcs Solar Panel Adjustable Bracket note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.