Haulin' Balls Trailer Hitch Cover 2" Billet Aluminum. Here is a nice accessory for your favorite Chevy, GMC, Dodge, Ford or Toyota truck. It appears to be welded and then powder coated dark blue! It is about 3 3/4" x 7 1/2" and fits the standard 2" receivers. Notice the grooved channel so it doesn't trap dirt. It also comes with the foam gasket. Check the store for different colors of Blue Balls to go with the trailer hitch.