The hitch ball is a small part of a complex engineering history of trailer coupling that is nearly 100 years old. Hitch balls come in a variety of sizes for a variety of jobs.

The tri-ball piece rotates on its own, so the hitch does not have to be removed to change size. The smallest 1 ⅞-inch ball is rated for 3,500 pounds, while the two-inch gets a standard 7,500 ...

The Interchangeable Hitch Ball by Tow Ready allows you to quickly and securely switch trailer balls depending on your needs. There is no need for tools to change hitch ball sizes to either 17⁄8 ...

The ball hitch must be of sufficient strength to control a trailer. A ball hitch attached to the receiver can have the receiver detached and removed when not in use, especially if it is causing an ...