This trailer hitch receiver lock is manufactured by Trimax. This Trimax lock is ideal for use with Rapid Hitch Adjustable Ball Mounts to lock the adjustable portion of the hitch. It also fits your standard receiver hitches (2" x 2") with a 5/8" diameter hitch pin hole. This lock is also long enough (4 3/8" Span) to fit the newer and larger hitches found on some newer model trucks. It is long enough to fit the 2 1/2" x 2 1/2" receiver hitches. This is Trimax part number TH4. It is made of machine hardened solid steel, chrome plated and features a rubber flap to keep the key entry clean. Heavy duty class V Rated (tested to over 32,000lb). Trimax also covers it with a LIFETIME WARRANTY.
Use this lock to keep your expensive Adjustable, aluminum, or stainless steel ball mounts attached to your tow rig.