1、Avoid Mess and Waste: The coffee dosing ring prevents coffee from being wasted and creating a mess on your workspace. All coffee goes into the moving filter basket with the dosing funnel, reducing mess and making loading and tamping much easier. 2、2 in 1 Bean Blowing Bin: This bin can be used as a bean bin and also for cleaning the grinder. It is stylishly designed, takes up less space compared to plastic bean grinders. 3、Improve Grinding Efficiency: The grinder bean bin is a cleaning tool designed to clean coffee powder from the coffee grinder. It ensures that no coffee is wasted and improves grinding efficiency. 4、Durable to Use: Made of aluminum, silicone, ABS material, it is safe and durable, and can be reused many times. Tough silicon bellow can be used for a long lasting time. 5、Wide Applications: Suitable for use at home or in the office, kitchens, restaurants, and coffee shops as well as for coffee enthusiasts who appreciate the finer details of their coffee experience. Item Type: Coffee Grinder Single Dose Hopper Material: Aluminum, Silicone, ABS Ring Size: 58mm / 2.3in Weight: Approx. 280.00g / 9.88oz Compatible Models: for Eureka Mignon Manuale, for Eureka Mignon Silenzio, for Eureka Mignon Specialita, for Eureka Mignon Pertetto, for Eureka Mignon Design, for Eureka Mignon Classico, for Eureka Mignon Filtro, for Eureka Mignon Crono, for Eureka Mignon Brew Pro, for Eureka Mignon XL 1 x Top Cover 1 x Silicone Bellow 1 x Interface 1 x Coffee Dosing Ring