1Function: Power distribution terminal block is used to gather the harnesses together and reasonably store the power lines inside the vehicle and ship. 2Durable Shell: Clear polycarbonate housing adds extra protection against fire, dust and accidental touch. Reinforced polycarbonate cover prevents accidental short circuits. 3High Strength: Flame retardant nylon base for optimum mechanical strength and durability. Stainless steel studs and screws are rust resistant and suitable for any environment. 4Safe and Stable: The terminal threaded fasteners are made of stainless steel split and ring lock washers for stability in high vibration environments. 5Scope of Application: Battery junction block is suitable for power supply systems of automobiles, motor homes, ships, yachts, pickup trucks, caravans, etc.