VEVOR Collar Coupler Lock, Fits 2 & 2-5/16-Inch Demco Cast Head Couplers, Trailer Hitch Lock with 3 Keys Secures Security Chains, Rust-resistant, Anti-Theft RV Trailer Locks for RV, Trailer, Boat

VEVOR Collar Coupler Lock, Fits 2 & 2-5/16-Inch Demco Cast Head Couplers, Trailer Hitch Lock with 3 Keys Secures Security Chains, Rust-resistant, Anti-Theft RV Trailer Locks for RV, Trailer, BoatSecure Your Trailer from TheftCompatible with Cast Air Flow CouplersReinforced Steel Lock BodyDurable & Corrosion-resistantWide ApplicationEasy InstallationCompatible Coupler Type: Cast Air Flow Coupler,Compatible Coupler Sizes: 2 in / 50.6 mm; 2-5/16 in / 58.6 mm,Internal Space: 5.16 x 5.24 x 4.09 in / 131 x 133 x 104 mm,Item Model Number: THS004,Product Weight: 11.46 lbs / 5.2 kg,Style: Clamp-on,Wall Thickness: 0.2 in / 5 mm,Product Dimensions: 5.71 x 4.61 x 8.27 in / 145 x 117 x 210 mm,Main Material: Carbon Steel + Surface Coating