Nothing in my life is ever easy, but it helps me appreciate what I have. I purchased the 2516 Icon lock because that's what it should have been for my trailer. I received my 2516 Icon lock and it didn't fit, apparently my coupler had some extra bits welded on to make it stronger. I reached out to Altor, I sent them pictures (of the coupler) from many different angles. Shortly after I sent my lock back, they had a replacement shipped to me and it fit perfectly. All their responses were fast and courteous, I lagged on every response because I always do, meanwhile they had a ton of patience. Hopefully I never need a new lock, but if I do I'll be reaching out to Altor again.