Package contents: The package contains 12 packs of solar panel center terminals, providing sufficient quantity for daily use and replacement needs, offering convenience and reliability. Lightweight and sturdy: These plate clamps are made of high-quality aluminum with a fine manufacturing finish, resistant to rust and corrosion. Unlike stainless steel solar brackets, these corrosion-resistant aluminum alloy brackets are lighter yet strong, providing reliable support for solar panels without adding extra load to the roof. Practical tools: These aluminum solar panel center clamps are designed to securely fix solar modules to rails, ensuring stable module connections. Ideal for use on irregular surfaces. The mounting Z brackets are strong and durable, resistant to bending. Easy installation: These solar panel terminals ensure a secure and solid connection between modules. They can be quickly mounted, saving time and effort during setup. Widely used: The Z bracket kit enables easy mounting of solar panels on RVs, boats, campers, cabins, or any location requiring a simple and reliable solar panel installation method.