Amp up your trailering safety and security! Not only does it stop would-be thieves in their tracks, the bROK Dual Bent Pin Receiver Lock secures your ball mount inside your trailer's receiver, making it virtually impossible for your trailer to come loose from your vehicle while trailering. This trailer hitch lock from bROK offers 2 shank sizes, which means it fits all class I-IV receivers. Constructed with solid steel and the shanks feature chrome plating for year of reliable service and protection. This trailer accessory even has a rubber key-hole cover that keeps dirt and debris out. 2 keys included. Manufacturer model #: 15943. Secures ball mount inside your trailer's receiver Amps up your trailering safety and security 2 shank sizes fit all class I-IV receivers Constructed with solid steel Chrome plating Rubber key-hole cover