Don’t mean to ruffle any feathers with this one but both of those are not worth the $. The yellow one just needs a swift blow with a sledgehammer and it comes right off. I had to do it to my buddies boat once when he forgot the key. Check YouTube there are tons of videos breaking those and a bunch of others off in seconds. While locks are only a deterrent this is what I have for all my trailers. https://www.provenlocks.com/collecti...-coupler-locks

Not cheap I know but very stout and well thought out IMO.


I also like the idea of swinging the tongue out and locking that.


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