Sturdy and durable: Aluminum alloy solar panel mounting brackets, lightweight and strong, corrosion and UV resistant, 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, allowing you to saving time and effort. Excellent Design: Polished solar panel bracket surface without burrs to prevent scratching your fingers. Z-shaped design helps dissipate heat, easy to clean and leaving a clean space.Unique extra edge on the side for protection. Wide application: suitable for roofs, caravans, motor homes, yachts, boats, motor homes, 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 flanged stainless steel, stronger than ordinary nuts