WTB - 4 Inch Shanks ME/NH/MA

I was just putting finishing touches on my keezer and then I realized that I bought the wrong size shanks. Is there anyone in ME/NH/MA area that has 4 inch shanks for sale, or would be willing to trade for 3 inch ones. I'm pretty sure the ones I bought are chrome.

I live close to the NH/MA border.
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Edit: I picked up some 4 inch shanks at a lhbs. Anyone interested in the 3 inch ones I can't use? I'll post pics below...



Thanks!