1Keep Wires Orderly: Automotive bus bar can gather the harnesses together to reasonably store the power lines inside the vehicle and ship. 2Durable Shell: Transparent polycarbonate shell adds extra protection and prevent accidental touching. Flame retardant nylon base, with the best mechanical strength and durability. 3High Stability: The terminal threaded fasteners are made of stainless steel split and ring lock washers for stability in high vibration environments. 4Fine Workmanship: Stainless steel studs and screws are rust resistant, suitable for any environment. Reinforced polycarbonate cover is connected with nylon nut to prevent accidental short circuit. 5Scope of Application: Power distribution bus bar can be used for the power supply system of cars, RVs, boats, yachts, pickup trucks, caravans, etc.