Commercial grade replacement trailer harness 9 Feet, 7-way plug. Made in the Philippines, our cord is far superior to most of the competitors in the market. The wires are 100% copper to ensure efficient conductivity. This cable is designed for trailers with additional power needs such as electric brakes, interior lights or reversing indicators. It's perfect for RV travel trailers, food trucks and other large towed vehicles. The overall cable length is 9 ft and it is certainly weatherproof.