The Heininger HitchMate Trailer Hitch Lock is great for securing your bike rack or trailer to the hitch. These weather-resistant locks features a covered key opening for added durability. The lock also comes with two keys for your safety and convenience. Choose between 2.5-inch 2-inch and 1.25-inch option Patented pick-proof screw and lock security Flush locking design Brand: HitchMate Model: 6011 Materials: Steel Color: Chrome Dimensions: 6 inches long x 1 inches wide x 1 inches high Weight: 1 pound