Trailer Hitch Lock for 2 In Couplers, Anti-Pry, 3 Keys

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.

• Fits 2 in / 50.8 mm trailer couplers; confirm coupler size before purchase


• Delivers anti-theft protection with a prying-resistant body and jam-resistant core


• Resists weather with powder-coated, rust- and corrosion-resistant construction


• Includes 3 keys for shared access and a backup for travel and storage


• Simplifies use with tool-free lock/unlock—insert, align, and turn the key

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.

• Applicable coupler size: 2 in (50.8 mm)


• Locking method: Key


• Keys included: 3


• Lock pin material: 304 stainless steel


• Lock body material: Carbon steel


• Finish: Powder coating


• Product size: 5.24 x 4.13 x 3.35 in (133 x 105 x 85 mm)


• Net weight: 5.95 lb (2.7 kg)


• Quantity: 1 pc