Magnet Adsorption Ring: This espresso dosing funnel designed with 10 magnets in equal positions, can easily attract the filter basket, compared with stainless steel more stable, and prevents falling. The espresso funnel inner diameter is 51mm and fits most 51mm portafilters on the market. Bottom Hanging Design: Because the magnetic dosing ring is attached to the outer ring of the portafilter basket, it will not occupy the inner wheel of the basket, which can increase the powder connection range, and there is no depression around the back basket after being put away. Avoid Confusion and Waste: The espresso funnel upper opening is designed with flaring to expand the filter range and effectively prevent coffee powder from spilling. The coffee dosing ring is a very useful espresso accessory that can effectively keep your countertops clean. High-quality Material: This portafilter funnel is made up of aluminum alloy, rust-resistant, and anti-corrosion. In addition, the dosing funnel is very lightweight, weighing only 32 grams. Even if it is dropped by mistake, there is no need to worry about damage to the table. NOTE: This dosing funnel NOT compatible with De'Longhi Stirosa, old version Delonghi (EC155, EC152, EC260), Gevi (5403, 20 Bar), Casabrews (3700/3700PRO), Saeco Poemia, Krups XP these machine portafilter. Product Details Manufacturer MHW-3BOMBER Model DR5548B Color Black Size 51mm Quantity -1 Weight 41 g