Universal Polished Dogbone Style 5/8" Trailer Hitch Receiver Lock by Bulldog®. For Class 5 Square 2-1/2" Receivers. Finish: Stainless Steel. Package Type: Box with Label. Warranty: Limited 1 Year. Don't let your trailer walk away. Secure your ball mount to the vehicle with a locking hitch pin, and then lock the coupler so the trailer either can't be hitched or unhitched with...