Universal Compatibility: This Bean Grinder Powder Collecting Ring is designed for use with the Gemilai 9010b Coffee Grinder. Please verify the size of your machine's portafilter before purchasing to ensure a proper fit. Premium Construction: Made from PLA, this 58mm Bean Grinder Powder Collecting Ring is durable and practical. It is non-rusting and non-corrosive, providing long-lasting performance in any coffee preparation setting. Efficient Operation: Helps minimize mess and waste by preventing coffee grounds from spilling out of the portafilter. Keeps your workspace clean and ensures optimal use of coffee. User-Friendly Design: Easy to usesimply place it on top of your portafilter during grinding, distributing, and tamping. Remove it quickly when ready to brew. Ideal Gift for Coffee Lovers: Suitable for both experienced baristas and home coffee enthusiasts, this dosing ring enhances the coffee-making process and makes a great gift. Size: 58mm Model: For Gemilai 9010b Color: White Material: PLA Package Contents: 1 x 58mm Bean Grinder Powder Collecting Ring Note: The package includes only the items listed above. Other products are not included. Note: Lighting and monitor settings may cause slight variations in color. Size may vary by +/- 1-3cm.