These aluminum solar panel clamps are made from high-quality materials for optimal strength and durability. Their anodized surface effectively protects against corrosion and UV rays, providing high-frequency insulation. Their design allows for quick and easy installation on various roof types. Technical specifications: Material: Aluminum alloy; Solar panel dimensions: 30 mm / 35 mm; Contents: 10 end clamps for solar panels with screw fasteners. Compatibility and accessories: Suitable for flat and pitched roofs; Compatible with tile roofs, asphalt shingles, flat tiles, and standing seam metal panels; Suitable for grid-tied and off-grid solar panels. Installation: These clamps are designed to securely attach solar panels to the rails. Simply install them where you need them, saving time and effort. Usage: These clamps allow you to attach solar panels to various surfaces, including house roofs, cabins, boats, and RVs. They are suitable for standalone installations or photovoltaic systems. Additional information: Please note that due to manual measurement, dimensions may vary by 1 to 2 cm. Please ensure this is acceptable before placing your order.