In the power system of automobiles, RVs, ships, yachts, etc. High Quality: Premium brass contact plate for better current transfer, nylon base provides good insulation, 5 stainless steel studs suitable for a variety of applications. Organized: The power distribution block can help you organize wiring, bring the harness together and reasonably store the wiring inside the vehicle and boat. With Cover: Includes a detachable cover to protect connections from damage and corrosion. safety:Base flame-retardant material plastic, escorts your safety. Maximum Voltage: 300V AC 1 48V DC Colour:Black / red Material:Nylon + stainless steel brass Package Contents: 1 * Junction Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.