Stop wasting coffee and messing up your work top – with a coffee dosing funnel all the coffee goes into the portafilter basket. Attach the coffee dosing ring to your portafilter and then grind directly into the basket without any mess or waste. For better consistency and better distribution use MATOW 51mm coffee dosing funnel. Perfect for home or espresso bar use. Specifications: Material: 304 stainless steel Diameter: 54mm/2.13in Color: Silver Weight:Appro. 100g Package size: 774cm Product Features SUITABLE FOR 51mm Portafilter-Designed to work with 51mm Delonghi Portafilter including EC-680m, EC702, ecp3220, la specialista, dedica ec685, decica EC680M, dedica 680, coffee emcp50, delonghi ecp3420, oyster 6601S, eco 311 and other 51mm machines including Mr. coffee emcp50, Oster primalatte 2, Breville esp8xl and so on. AVOID MESS AND WAST- 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. 304 STAINLESS STEEL MATERIAL-MATOW coffee powder funnel is made of premium 304 stainless steel, non-rust nor corrosive, FDA grade material, safe to your familys health. EASY TO CLEAN & USE- 51mm portafilter funnel is dishwasher safe, you just rinse it with water and clean it with brush or sponge; As for use, you simply place the funnel atop of your portafilter while grinding, distributing and tamping, and removed funnel quickly when finished. ATTACH SNUGLY & IMPORTANT NOTE- This funnel bottom sits on the inside of rim & allows for tamps. The inside diameter is smaller than portafilter basket, so Please NOTE you need to tamp grinds using 49mm tamper not 51mm tamper with the funnel on.