Features: High Quality material：The Z-shaped solar panel aluminum bracket is made of oxidized high-strength aluminum alloy material, which has the characteristics of high strength, UV resistance, high frequency insulation, etc.; it is not affected by cold, heat and humidity, and is durable. Applicable to multiple scenarios：Solar panel brackets are suitable for component installation of solar panels on RV roofs, boats, yacht decks, houses, etc. . Even various irregular surfaces can be installed. More suitable for supporting grid-connected and off-grid solar panels. Practical Design：The surface of the Z bracket is oxidized and polished without burrs. And the Z-shaped design leaves a clean space for heat dissipation. And the installation hole leaves 23x6mm/0.90x0.24inch of activity space, which is more flexible and changeable. Easy to install: The solar panel bracket is equipped with a complete set of bolts and nuts, and there are reinforced gaskets, which are more firmly installed on the surface of the photovoltaic cells. When not in use, just remove the screws. Photovoltaic Mounting Set：The set includes 4 solar panel brackets, 8 self-tapping screws, 4 screws and 4 hex nuts, and 4 screw reinforcement spacers. Quantities are sufficient for your installation needs. Specifications: Material: Aluminum Alloy Size: As Shown Package Includes: 4 Pcs Z Brackets(with Mounting Accessories) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.