The TowSmart 7-Blade Connector Trailer Light Wiring Kit provides what you need to make electrical connections when hauling a trailer. The kit includes a 7-blade vehicle end connector with mounting bracket, 7-blade trailer end connector and 36 in. of stranded wire. The 7-blade connector is commonly used on RV trailers and connects taillights, brake lights, turn signals, ground, electric brakes, auxiliary power, and reverse lights. It provides an ergonomic, durable plastic construction that is corrosion-resistant to withstand extreme weather.