1Wide Application: The heavy duty 12 pin flat towing connector is widely suitable for trailers and RVs with stable performance and higher working efficiency. 2 Shell: The trailer adapter is made of premium Abs and metal materials, the shell is sturdy enough to protect the plug and socket from bad weather and bumps in the road. 3Excellent Performance: 12 pin flat trailer adapter is professionally designed for easy installation, ensuring every pin is wired and working properly, convenient for using. 4Convenient Installation: 12 pin flat trailer plug and socket is easy to operate, just directly connect to the vehicle's plug or socket without modification, time and effort saving. 5Professional Adapter: This is a 12 pin flat trailer plug and socket, 7 pole amp rating per pole 15A at 12V and 5 pole amp rating per pole 35A at 12V, bring more advantages.