1Universal Application: Power distribution block is suitable for 12?48V cars, trucks, RVs, marine, boats and other industrial equipment. 2Keep Wires Orderly: Including 2pcs power distribution block with multiple connection points, perfect for customizing vehicles or relocating batteries. 3Brass Contact: The nickel plated brass contact plate ensures excellent conductivity, the insylated nylon base ensures great mechanical strength and durability. 4Dustproof Cover: The power distribution block comes with a cover that covers the exposed terminals of the bus bar terminals to prevent accidental electrical short circuit. 5Surface Screw Mounting: This terminal block has 2 mounting holes, making it easy to install in any orientation. Removable window keeps wiring unobstructed.