VEVOR Trailer Lock, Fits 2-5/16-Inch Airstream Couplers, Heavy Duty Hitch Lock with 3 Keys Secures Security Chains, Rust-resistant, Anti-Theft Trailer Tongue Locks for RV, Trailer, and Boat

VEVOR Trailer Lock, Fits 2-5/16-Inch Airstream Couplers, Heavy Duty Hitch Lock with 3 Keys Secures Security Chains, Rust-resistant, Anti-Theft Trailer Tongue Locks for RV, Trailer, and BoatSecure Your Trailer from TheftCompatible with Flanged Air Flow CouplersReinforced Steel Lock BodyDurable & Corrosion-resistantWide ApplicationEasy InstallationCompatible Coupler Type: Flanged Air Flow Coupler,Item Model Number: THS007,Product Weight: 10.36 lbs / 4.7 kg,Style: Nesting,Wall Thickness: 0.24 in / 6 mm,Product Dimensions: Φ5.59 x 6.89 in / Φ142 x 175 mm,Internal Depth: 4.92 in / 125 mm,Internal Diameter: 5.04 in / 128 mm,Main Material: Carbon Steel + Surface Coating,Compatible Coupler Size: 2-5/16 in / 58.6 mm