For easy coupling, use the CURT SecureLatch 30,000 lb Pintle Hook. This hook features an auto-locking system, so you don't have to worry about manual coupling. It has a cupped hook to hold the lunette ring along with a back plate that keeps the lunette ring in the proper position. Rated for a 30,000-pound gross trailer weight. CURT SecureLatch 30,000 lb Pintle Hook Black - Trailer Parts And Accessories at Academy Sports
