Protect your trailer when you are not using it. This Universal Trailer Coupler Lock guards against trailer theft, with a Heavy Duty die cast steel construction. Ratchet design with eleven locking positions works with all types of couplers. Easy to install and remove, protective finish resists rust. For 1-7/8", 2", and 2-5/16" Couplers. Comes with 2 keys. Color of unit may vary.