Quality and Durable Material: The solar panel mounting brackets feature excellent corrosion resistance and rust resistance, high sturdiness and durability by making heavy duty aluminum material.Perfect for outdoor use, they are not easy to break and weather resistant well. Practical design: T-shaped solar panel center clamp ensures a good connection with solar panel and rail mounting, adapts and supports the panel better. Easy installation: the adjustable solar panel support comes with a full set of accessories for easy and quick installation. The photovoltaic central clamp is very convenient to create a solid connection between solar modules. Wide application: this solar panel kit is suitable for reinforcing the support between solar panels on caravans, roofs, boats and yachts. Package Content: The package contains 6pcs solar panel mounts, 35mm standard is suitable for most framed panels in the market.