Description: 7-Pole RV Trailer End Connector, Brass contacts to prevent corrosion. Built in cable clamps, Accepts standard 7-way RV trailer connector, and Accepts wide range of wire gauges. Splices into vehicle wiring to provide a connection for a trailer plug. 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power. Standard, 7-pole plug connects trailer to socket on tow vehicle,Interchangeable with other 7-way RV connectors. Specification: Item Type: Electrical Plug & Sockets Item Name: 7 Pin Trailer Plug Size: Approx 85x70mm Material: Plastic Color: Black Input: 12V Features: 7 Way RV Connector Plug for Trailer Truck Hitch Wiring. Package Includes: 1 Piece 7 Way Trailer Connector Plug Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.