Suitable for 51mm Portafilters: The espresso dosing funnel is designed specifically for working with EC0680, EC0685 bottomless portafilter. Neat & Consistent Desktop: Are you tired of cluttered coffee work desks? Pls don't worry, this coffee dosing funnel prevents wasted coffee and keeps your work desk surprisingly organized. By using this dosing funnel, all coffee powder can be dropped into the 51mm portafilter basket accurately, which prevents coffee powder from splashing and helps mash the powder, and improves dose weight and shot consistency. It will be a great helper for you to become a professional barista Food-grade Stainless Steel Material: Made of high quality 304 stainless steel, the espresso dosing funnel will not rust and corrode, safe for your family's health. Easy to Clean: The 51mm dosing ring is made of high quality stainless steel, so you can put it in the dishwasher and clean it with a sponge when you're done. The high quality stainless steel material is durable and adds interest to your coffee life. Easy to Operate: Just gently place on top of your bottomless portafilter, grind, dispense and tamp after the portafilter basket is filled with coffee powder, and quickly remove the funnel when you're done. As a professional barista, we serve every coffee lover with heart and soul, and hope you can be one of us. Weight: 200g color:Silver Material:Stainless steel Package Contents: 1 x dosing ring Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.