I bottle a lot of 375 ml as well as 750 ml with a range of heights and so far haven't had any problems with mine. I did try bellissima 375 ml bottles and everyone who says a Portuguese floor corker doesn't work for those is correct. (I had a few from a winery I frequent and decided to give it a try just to be sure. Mine are cobalt blue and beautiful so they went back into storage in case I ever buy some T corks or maybe get an Italian floor corker someday.)
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