This ball hitch lock features a universal design, fitting 1-7/8, 2, and 2-5/16 in couplers. Built with a sturdy zinc alloy body and a lock core, it withstands impact and prying, ensuring reliable security. Its chrome-plated surface can withstand harsh outdoor conditions while maintaining a long-lasting finish. Our lock includes keys, so you can lock or unlock quickly without tools. It supports 20 levels of height adjustment, ideal for trailers, RVs, off-road vehicles, and yachts. | Vevor | | Trailer Hitch Lock, Fits for 1-7/8 in, 2 in, 2-5/16 in Couplers, Heavy-Duty Anti-Theft Trailer Ball Lock with 3 Keys | Black, silver | Black/silver | Best Buy