【2pcs】1pc 3 pin tractor plug suitable for 12V vehicles. 3 pin trailer connectors suitable for European standard trailers, trucks, lorries, tractors, caravans, agricultural vehicles, etc. 【Brass Pin】3 pin trailer plug with 3 flat terminals which are zinc plated brass pins, nickel plated brass pin can prevent rust and improve the appearance. 3 pin trailer plug with waterproof cap, waterproof for all road and weather conditions. 【Function】 The 3 pin trailer plug is often used to connect the sources and controls for simple electrical accessories or applications on and in m