Master Locks locking set is best used for
automotive, towing, trailers, and marine recreational purposes. Features:�Receiver lock and stainless steel coupler latch lock are conveniently keyed alike�Receiver lock fits both 1/2" and 5/8" receivers�Push to Lock locking mechanism push lock ...
Attach this lock to the coupler latch hole
to secure your trailer. Also ideal for trailer doors. Designed to seal out corrosive elements. Rubber bumper prevents noisy rattle and abrasion. 7/8" span.