AVOID MESS AND WAST -- Coffee Dosing Ring stop wasting coffee and messing up your work top, with coffee dosing funnel all the coffee goes into the portafilter basket, severely reduces the mess and difficulty in tamping. MAGNETIC DESIGN -- Espresso dosing funnel comes with magnetic design, which can effectively improve the stability and effectively prevent powder spreading, even more surprising is that it can save you about 8% of coffee powder! SUITABLE FOR -- Dosing funnel is suitable for most coffee machine handles or 51mm/53mm/58mm coffee portafilter, Suitable for use at home or in the office, or as a nice gift for coffee lovers. HIGH-QUALITY MATERIALS -- Coffee dosing ring replacement is made from premium food grade aluminum, durable and practical, nonrust nor corrosive. EASY TO OPERATE -- You simply place the portafilter dosing funnel atop of your portafilter while grinding, distributing and tamping, and removed funnel quickly when finished. Read more