12v 8 pin plastic plug (13 pin type plug) suitable for trailers. Comes with nickel plated pins that can provide better electrical connection and superior corrosion resistance than standard brass pins Specifications Number of pins: 8 Pin style: Nickel plated with screw terminals. Cable entry diameter: 8-10mm Complies with ISO 11446 Single hole 9mm grommet Can receive a single 8 core cable