Specification:Features:High quality material. Made of lightweight aluminium alloy with good corrosion and weather resistance; and fitted with four stainless steel screws, often used on any regular or irregular surfaces.Easy to install. Solar mounting rail fitting for roofs fittings for garden houses, garage roofs, sheds with corrugated iron roofs.High practicality: High practicality, compatible with different sizes of PV modules, adjustables from 15-30. Wide range of applications: it can be used in a wide range of applications, for yachts, balconies, roofs, wall and floors, etc.100 Satisfaction: If you have any question, please feel free to contact us.We will try out best to help you.Notice:Actual color may be slightly different from the image due to different display and light effect.please allow 1-3cm deviation due to manual measurement.Description:Material: aluminum Package List:1 Set Solar Panel Bracket