Best 58mm Espresso Tampers of 2020 January 18, 2020 by HelpAtMyHome StaffAll professional espresso tampers, from all manufacturers, are 58mm in diameter. It's the chosen standard for all commercial espresso machines and most home ones. While a number of good espresso machines uses other size portafilters (and thus … [Read more...] about Best 58mm Espresso Tampers of 2020