The Triton 03924 Class III Trailer Coupler for Triton trailers serves as a replacement coupler for class III towing applications, which couples with a 2-inch ball and mounts to a 3-inch tube on the tongue of your Triton trailer. Triton 09664 Class III Safety Chains equipped with spring loaded clips mounted on the 2-inch coupler provide added safety when hauling. Coupler towing capacity up to 5000 lbs.