Featuers - This 7-way round RV-style, 7-pole connector provides a secure connection between your trailer and tow vehicle, it is widely used on RV camper horse trailers Weatherproof Design - This 7-way blade connector is different from others on the market, constructed with detachable hardware design for easily splicing and well protect the terminals from the bad weather and hazardous road conditions Reliable Connection - This standard 7-way wiring connector is designed to connect your trailer to the 7-way round blade connector of your tow vehicle to supply power for tail lights, turn signals, electric trailer brakes, as well as a ground connection Durable Construction - Heavy duty molded construction, solid ABS plastic housing, features waterproof, corrosion resistance, easy setup. Over-sized finger grips for secure disconnections, enhances appearance and makes plug removal a snap