1Keep Wiring Organized: Terminal bus bar is ideal for automotive and marine wiring, help organize and clear messy wiring, and are suitable for all types of power and ground distribution. 2Premium Materials: Reinforced polycarbonate cover and nylon nut connection to prevent accidental short circuits, stainless steel studs and screws are rust resistant and suitable for any environment. 3Good Conductivity: Nickel plated copper busbar contact board has low resistance, good conductivity, high temperature resistance, wear resistance, and safer use. 4Safe And Reliable: The transparent polycarbonate shell adds extra protection against fire, dust and accidental contact. Eco friendly flame retardant nylon base for optimum mechanical strength and durability. 5Wide Range of Application: Bus bar block is widely used in cars, pickup trucks, trailers, RVs, motorcycles, recreational vehicles, trucks, vans, caravans, yachts, ships, etc. 6Easy to Use: Bus bars are perfect for all your electrical wiring projects. Easy to install, fixed with M4 screws. Terminal threaded fasteners use stainless steel splits and lock washers for stability in high vibration environments. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin