Precise Pouring: Bottomless naked design allows real-time monitoring of coffee extraction, helping diagnose channeling issues and perfect your brewing technique, ideal tool for perfecting your talents at home Barista-Certified Comfort: Comfortable fit in the hand, these handles will feel light and extra smooth even after a long day behind the bar. Simple to clean and maintain, ensuring hassle-free operation Double Layer Portafilter Basket: Made with 0.8mm steel that can better withstand pressure and prevent the basket’s bottom from bowing down during extraction, ensures a thorough extraction through your entire tamp Fits any baskets: No limit to the size of the basket you can use. A well-made filter basket is fundamental to a good cup. Deliver better brews with more control and achieve high extraction to fully develop your coffee grounds 58mm Portafilter: Specifically designed for Breville BES990, BES980, and BES920 espresso machines for a seamless fit. The bottomless portafilter is an essential tool for any serious home barista