This 58.5mm calibrated tamper is designed to exert a precise 30 lbs of pressure, making it an essential tool in your espresso must-have tool kit for optimal coffee extraction The package includes not only a high-quality calibrated coffee tamper but also a cute portafilter shape keychain, all packaged barista espresso tools in a gift box.Comes with 3 interchangeable 20lb, 25lb and 30lb springs to suit your preference As a versatile addition to your espresso tools and espresso machine accessories, our coffee tamper is designed to fit 58.5 mm filters and is compatible with popular brands like Breville, Rancilio, Gaggia, IMS, and VST With 51mm, 51.5mm, 54mm, 58mm, and 58.5mm tampers, our range perfectly matches various types of espresso portafilter baskets, making it a versatile addition to your barista tools Complete your espresso set with this 58.5 mm coffee tamper with other high-quality Knodos espresso tools for the ultimate coffee experience. Perfectly compatible with Knodos leveling tool, tamping station, portafilter, bean cellar, knock box, dosing funnel and WDT tool Compatible with Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser, Duo Temp Pro BES870XL, BES870BSXL, BES878BSS, BES880BSS, BES840XL "At KNODOS, we believe that the perfect espresso is more than just a drink, it's an experience. That's why we've dedicated ourselves to creating the finest espresso coffee accessories on the market. Our team of passionate coffee enthusiasts has spent years researching and developing a line of hand-crafted barista tools including tampers, tamping stations, distribution tools, single dose coffee bean storage tubes, stirrers, dosing rings, milk pinchers, bottomless portafilters, needle distributor,espresso leveler and more. These tools are compatible with many popular espresso machine and electric espresso grinder brands such as Compatible with Breville Barista Express Pro, DeLonghi, Lelit, Flair 58, La Pavoni, Gaggia Classic, Rocket, Rancilio Silvia, and Niche Zero." Each one of our products is designed with the utmost attention to detail and a commitment to quality. We understand that the perfect shot of espresso requires the right tools and techniques, and we've spent countless hours perfecting our products to help you achieve the perfect result every time. At KNODOS, we're more than just a company - we're a community of coffee lovers who are dedicated to sharing our love of the perfect espresso with the world. Whether you're a professional barista or a home coffee enthusiast, we have the tools and expertise to help you elevate your coffee game. So join us on our mission to bring the perfect espresso experience to every cup