Dosing Ring 51mm – Silver Features : This espresso dosing funnel Suitable For 51mm Delonghi Portafilter Espresso Machines EC0680 and EC0685. This dosing funnel can prevent coffee powder from overflowing from the tower. Every time you overfill, the excess coffee powder can be scraped into the grinding chamber to ensure the same dosage, thereby improving quality consistency and keeping your Coffee bar Kitchen workbench Keep it clean. Even more surprising is that it can save you about 8% of coffee powder! The dosing ring is made of high quality premium aluminum, which is reliable, sturdy and durable. A necessary accessory for coffee making non-rust nor corrosive. Coffee Dosing Ring stop wasting coffee and messing up your work top – with a coffee dosing funnel all the coffee goes into the portafilter basket, severely reduces the mess and difficulty in loading and tamping. Eliminating overflow and spillage improves dosing weights and shot consistency.