1Sturdy Base: Sturdy base is more secure and easy to install, use screws to fix on both sides, which can give a neat and clean finish to any installation in your car boat marine caravan Rv. 2Anti Rust Screws: The stainless steel screws and nuts can enhance their resistance to rust in salt water or extreme environments. 3Premium Material: This power distribution block bus bar is made of premium glass fiber, reinforced nylon, brass, stainless steel material, which is durable and stable. 4High Safety: The power distribution block can handle up to 48V voltage and 300A current, which will surely provide your machine with stable power supply. 5Wide Application: It can be used in automotive or marine environments where bus or terminal boards are required, suitable for cars, motor homes, boats, trucks, electrical equipment and solar cells, etc.