This 51 mm coffee tamper has an self leveling and double spring-loaded design, which makes it easy to use. It also has a constant block feature that ensures the coffee is consistently compacted, resulting in better extraction compared to traditional hand tampers The package includes not only a high-quality 51mm espresso press tamper but also a cute portafilter shape keychain and replecement springs all packaged barista tools in a gift box The base is made of stainless steel .By using this spring loaded espresso tamper 51mm you will get a flat ring pattern in your portafilter.It will become an indispensable part of your best espresso puck prep kit We offer a variety of sizes such as 51mm, 51.5mm, 53.3mm, 58.35, 58.5mm tamper compatible with various sizes of portafilter and espresso machine accessories Complete your espresso tool set with this 51mm coffee tamper with other high-quality Knodos espresso tools for the ultimate coffee experience. Perfectly compatible with Knodos leveling tool, tamping station,bottomless portafilter,coffee 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