It's aluminum solar PV ground screw solar system. Two ground screw solar mounting foundation, suitable for large-scale project installation. Product Details Name: PD-GM-01 Ground Clearance: 200mm-800mm Tilt Angle: 10-40° Wind Speed: 0-60m/s Snow Load: 0-150cm Preformance: High Corrosion Resistance  Drawing: Available Strength Report:  Available Warranty: 12years