*KeyFeatures *Fits Your Coupler: This coupler lock fits 2-5/16-inch (58.6 mm) airstream 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 10.36 lbs with a 0.24-inch thick wall, resisting crowbars, drills, and tools. Its 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 ******************************************************************************************************* *Specifications Item Model Number: THS007 Style: Nesting Main Material: Carbon Steel + Surface Coating Compatible Coupler Type: Flanged Air Flow Coupler Compatible Coupler Size: 2-5/16 in / 58.6 mm Product Weight: 10.36 lbs / 4.7 kg Product Dimensions: 5.59 x 6.89 in / 142 x 175 mm Wall Thickness: 0.24 in / 6 mm Internal Depth: 4.92 in / 125 mm Internal Diameter: 5.04 in / 128 mm ******************************************************************************************************* *Pakcage Content 1 x Trailer Coupler Lock 1 x Bottom Connector (2-5/16 in / 58 mm) 3 x Keys