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. 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, saving you time and effort. Excellent Design: Polished solar panel bracket surface without burrs to avoid scratching your fingers. Z-shaped design helps dissipate heat, easy to clean and leave a clean space. Unique extra edge on the side for protection. Wide Application: Suitable for roofs, caravans, motorhomes, yachts, boats, RVs, cabins, garages, etc. Ideal for uneven surfaces. Specification: Equipped with stainless steel flange screws and nuts, which are stronger than ordinary nuts and washers. Warm tips: 1) Before buying, please confirm whether the screw length is suitable for your installation environment. Features: Aluminum alloy Z-brackets, light and sturdy, anti-ultraviolet and corrosion-resistant. Holes pre-drilled mounting holes, come with stainless steel bolts and flange nuts, easy to install and remove. Polished surface without burrs, Z-shaped design helps dissipate heat, leaving a clean space . Ideal for roofs, trailers, boats, RVs or yachts, etc. Specifications: Mounting Bracket Material: Aluminum Alloy Screws Material: Steel stainless Coating: Oxidation Color: Silver Size: as shown Package includes: 4 Pcs x Solar Panel Mounting Brackets 4 Sets x Flange Bolts and Nuts