This lock fits most coupler sizes, securing your trailer whether hitched or not. It keeps the coupler latch in place, preventing theft by making sure the coupler stays on the ball or blocking a ball from being inserted when it shouldn't be.
WOW! I am impressed! I called to place my order and real person answered, spoke perfect English, albeit a slight southern accent, and my order was sent within a day, shipped quickly and I had it a few days later. I saved over a hundred dollars over local and installed it my self. I cant imagine how that they could do any better. THANKS!