Tractor 12V 3 Pin Plug Socket --- Plug socket 3 pin is with waterproof silicone rubber seal. The thermoplastic housing prevents rusting or corrosion, ensuring a long service life, great replacement for your old and damaged plug. . Highest Quality --- Universal European standard pass CE, ROHS certification, this trailer plug socket is 3 pin and is suitable for European standard trailers, this 3 pin plug socket provides a secure connection between your main vehicle and the additional one truck or trailer to transmit the electronic signal lights and the power supply. . Exquisite Design --- Spring-loaded flap locks the 3 sockets in place when in use, protects the terminals when not in use, our 3-pin connector is made of silicone with waterproof rubber seal. The thermoplastic housing prevents rusting or corrosion, with a robust housing that ensures a long service life. . Wide range of applications --- Plug this small adapter into the 3-pin plug and then plug into your standard 3-pin socket. Suitable for Cars, Trailers, RV, Trucks, and work perfectly with tractor. . Customer Service--- Product for sale from TAEUYYM, we are committed to providing a good shopping experience. However, if for any reason you are not completely satisfied with the product, just let us know and we will give you the solution as soon as possible. please don't hesitate to if you have any questions .