1. It can save about 8% of coffee . This dosing funnel prevents coffee grounds from spilling out of the tower. time you fill up, the excess coffee can be scraped into the grinding chamber, ensuring the same amount, and even more surprising is that it can about 8% of the coffee 2. High-quality aluminum alloy material, more . more with customers. This coffee dosing ring is made of high-quality aluminum, which is durable, rust-free and corrosion-resistant, making your coffee making process healthier and .3. Fits the style: This espresso dosing funnel is designed for 54mm filter baskets, compatible with 878 (870), 875, 840, 810, 8 series other models, suitable for Barista , Barista Pro, Barista Touch , Bambino Plus and Duo-Temp Pro 54mm filter baskets.4. Easy to clean. Can be cleaned quickly with a brush, sponge, dishwasher, etc.Product Name:Aluminum Coffee Dosing RingType: Coffee Dosing RingSize: inner diameter 54mm, outer diameter 62, height 35mmApplications: Coffee Tamper AccessoriesColour:champagne goldMaterial:Aluminum alloyPackage Contents:1 x Coffee Dosing RingOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.