professional-grade workspace with the ingeniously designed Main Container and Grounds Catcher Disc. This stable, grooved workbench is engineered from black silicone/plastic to instantly contain all spent coffee grounds and oils, preventing spills from ever reaching your countertops. Unleash the cleaning force of the stiff-bristled Cleaning Brush, specifically designed to penetrate deep into the narrowest crevices and baskets of your portafilter. It instantly and effectively scrubs away coffee oils and stubborn, compacted grounds that degrade flavor. Invest in a cleaning solution that truly fits . The Portafilter Holder and scrubbing disc are meticulously crafted to securely accommodate and stabilize the three most common portafilter sizes-51mm, 53mm, and 58mm.