Hitch Ball Mounts by Master Lock Master Lock's "One Tool Torque" ball mounts are designed to make installing and tightening your hitch ball much easier than with standard ball mounts. When used with a "One Tool Torque" hitch ball only a single wrench is required to tighten the hitch ball nut.
Towing Starter Kits (includes Ball Mount, Hitch Ball & Pin) Master Lock "Towing Starter Kits" include a ball mount, hitch ball and pin in most popular sizes. All use Master Lock's "One Tool Torque" design that allows you to tighten the hitch ball using only one tool. Available in locking and non-locking models.
Adjustable Ball Mount by Master Lock & Diversi-Tech Don't know the amount of drop your need for your trailer or have multiple trailers at different heights. Use an adjustable ball mount and solve your problem easily.