This is a set sale of the Thule SquareBar TH761 and new caps. I purchased it used, but I am selling it because I switched to AeroBars. The new caps are for the current model SquareBar end caps, but they were able to be installed. However, the caps fit normally and were secure, but I don't know if they are model-compatible, so please install them at your own discretion. The caps are brand new and unused. Thank you for your consideration.