Deco has an exclusive coupler design that locks when dropped over its appropriate sized standard hitch ball. The fez-Latch coupler is offered in an array of different hitch mounts in different coupler sizes. The fez-Latch feature and the enhanced certified weight rating make these couplers an excellent choice when building or when replacing an existing ball coupler. Deco has tested and certified these products to give you peace of mind and confidence in your efforts to provide safe and responsible trailer products.