Sturdy and Durable: Solar panel mounting brackets made of aluminum alloy, lightweight and stable, anti-corrosion and UV resistant, can withstand a variety of weather conditions and harsh environments. < p>Easy to Install: Our Z brackets come with pre-drilled mounting holes on the surface, equipped with stainless steel mounting screws and flange nuts for easy installation and removal, so you can save time and effort. Excellent Design: Solar panel bracket surface polished burr-free Avoid scratching your fingers, Z-shaped design helps dissipate heat, easy to clean and leaves a clean space on the side for protection. Wide Application: suitable for roofs, caravans, RVs, yachts, boats, motorhomes, cabins, garages, etc. Ideal for irregular surfaces. Suitable for installing 20W to 200W solar panels. Specifications: Comes with 23mm long mounting hole, thickness: 2mm, 6mm mounting hole, equipped with screws and nuts, stainless steel flange, stronger than ordinary nuts and washers.< /p>