Description: 【7-Pin Trailer Plug】: This 220V round trailer connector features a 7-pin designed, making it an ideal choice for your trailer or towing needs. It Is Easy to use and offers professional practicality. 【Anti-Shock Design】: Crafted with a special design to resist corrosion and shock, this 7 way trailer plug ensures durability and longevity, allowing for long-term use. 【Quality Material】: Made from an aluminum alloy copper material, this semi trailer plug is not only sturdy but also resistant to wear and tear, ensuring stands the test of time. 【Product Dimensions】: With a diameter of 4cm and length of 9.8cm, this plug is compact yet efficient in its functionality. 【Package Includes】: Each package comes with 1 trailer plug, providing you with everything you need for your towing or trailer needs. Specification: Material: Aluminium Alloy, Copper Size Chart: Diameter: 4cm/1.57inch Length: 9.8cm/3.86inch Package Includes: 1x Round Trailer Connector Note: Please allow slightly errors 1-2cm differences due to manual measurement.