• Fits 2 Coupler Sizes: This coupler lock fits 2-inch (50.6 mm) and 2-5/16-inch (58.6 mm) bulldog trailer couplers, offering security for your RV or trailer. Note: Check coupler size before purchase
• Heavy-duty Anti-theft Design: Made from tough carbon steel, this trailer lock weighs 11.9 lbs with a 0.24-inch thick wall, resisting crowbars, drills, and tools. It’s built to keep your trailer secure and minimize the risk of theft
• Quick & Easy Locking: Locking up takes less than 30 seconds! Simply unlock, place on the coupler, and secure. One-handed installation and an internal cushion pad ensure a tight, stable fit. Comes with 3 keys for your convenience
• Durable & Rust-resistant: The trailer hitch lock is powder-coated for corrosion resistance and features an aluminum alloy lock body for smooth use. A dust cap secures it from dampness, making it ready for any weather and extending its lifespan
• Reliable Anti-theft Protection: This trailer coupler lock fits most trailers, RVs, and boats. Even if it feels loose, the anti-theft protection remains strong, ensuring your vehicle stays secure and protected, no matter where you park it

Trailer Coupler Lock Fits 50.6 & 58.6 mm Couplers Heavy Duty Hitch Lock
Secure Your Trailer from Theft
Compatible with Bulldog Couplers
Reinforced Steel Lock Body
Durable & Corrosion-resistant
Wide Application
Easy Installation
Compatible Coupler Type: Bulldog Coupler,Compatible Coupler Sizes: 2 in / 50.6 mm; 2-5/16 in / 58.6 mm,Item Model Number: THS001,Product Weight: 11.9 lbs / 5.4 kg,Style: Nesting,Wall Thickness: 0.24 in / 6 mm,Product Dimensions: Φ4.53 x 8.86 in / Φ115 x 225 mm,Internal Depth: 7.09 in / 180 mm,Internal Diameter: 4.02 in / 102 mm,Main Material: Carbon Steel + Surface Coating