Description: Material: Made of high quality glass fiber reinforced nylon and PC material, ensuring excellent mechanical strength and durability. With good insulation and flame retardancy, durable for long-term use. Steel studs and screws: The copper plate makes the current transmission and performance better and stable, and the stainless steel studs can be used for a long time without causing the vehicle to fail due to rust. Function: The busbar with cover is designed to organize your circuit wiring, prevent electrical short circuits caused by messy wire harnesses, and facilitate subsequent maintenance. Transparent dust cover protects circuit connections. Easy to install: Direct replacement for old broken parts, not easy to fall off and can save much space. Application: Power lock rail strips are suitable for cars, trucks, RVs, boats, yachts, trailers and more industrial electrical equipment. Specification: Material: reinforced fiberglass nylon, PC, stainless steel Size table: 8.5cm x 4.5cm x 7.5cm/3.35 inch x 1.77 inch x 2.95 inch Package include: 1 piece crimp terminals 1 piece cover 2 screw art Note: Please allow slight errors due to manual measurement and different monitors.