What's up everybody It's AJ with etrailer.com. Today we're gonna be checking out the Blue Ox Adjustable Ball Mount, so it's gonna fit in a 2 1/2" hitch. (metal clunking) It's gonna allow you to adjust to different truck and trailer heights so you don't have to get three different ball mounts and switch 'em out every time. You can easily just do it right here and get it all hooked up and get on… see more >