54/51/58mm Espresso Dosing Funnel, Stainless Steel Coffee Dosing Ring Compatible with 54mm Breville Portafilter --Specially made for 51/54MM portable filter, suitable for Barista Express, , Touch, Bambino Plus, Infuser and Duo-Temp . --Avoid confusion and waste-Coffee dispenser stops wasting coffee and messing up your work surface-Using coffee dispenser, all coffee enters the mobile filter basket, greatly reducing the confusion and difficulty of loading and tamping. --The 304 stainless steel coffee powder funnel is made of high-quality 304 stainless steel, no rust, no corrosion, FDA grade material, safe for your family's health. --Easy to clean and use- The portable filter funnel can be used in dishwashers, you only need to rinse with water and clean it with a brush or sponge; as for use, you only need to place the funnel in a handheld filter while grinding, dispensing and tamping The top of the device, and quickly remove the funnel after completion. --Fit-fitting and important precautions-The funnel is located on the outer edge and allowed to be tamped. The inner diameter is exactly the same as the portable filter basket, so you can ram it with a funnel. Specifications: Material: 304 stainless steel Size: 51/54MM Package weight: 120g, 155g Package Included: 1*Coffee powder ring