Trailer hitch lock for 2 in (50.8 mm) couplers helps deter theft by blocking unauthorized coupling and towing. Built with a carbon steel lock body and 304 stainless steel lock pin, it’s designed to resist prying, jamming, and impact while staying reliable outdoors. A powder-coated finish supports rust and corrosion resistance for year-round use on trailers, RVs, boats, and off-road towing setups.

Whether you’re parking a utility trailer overnight, storing an RV between trips, or securing a boat trailer at the marina, this trailer coupler lock adds a visible layer of protection where it matters most. The heavy-duty build and smooth key operation make it easy to use regularly, not just occasionally. Keep one in your tow kit for quick lockup at campsites, driveways, and lots. Grab yours today and secure your coupler before your next haul.