EXCELENT METERIAL: Dosing Ring is made of 304 steel stainless.FDA grade material, safe to your family’s health.It will not fade or rust. Long service life WIDELY APPLICATION:Designed to work with all 51mm Portafilter baskets,including but not limited to Sage, Rocket, Alex , Astoria and more， A necessary tool for handmade coffee EASY TO USE;Simply place on top of your portafilter and remove when finished.The funnel is equipped with a magnet. It is not easy to fall off when in use and easy to install AVOID MESS AND WAST: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 NOTICE: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 p>Coffee Power Ring – 51mm

Stop wasting coffee and messing up your work top：Through the coffee feeding funnel, the coffee powder in the portable filter basket is prevented from overflowing or spreading, and the confusion and difficulty of loading and compaction are reduced.
Consistent dosing: Eliminating overflow and spillage improves dosing weights and shot consistency. Even more surprising is that it can save you about 8% of coffee powder!
Easy to use and clean:The funnel is equipped with a magnet. It is not easy to fall off when in use and easy to install ，which effectively improves work efficiency and keeps the work surface clean and tidy. You just wash it with water and clean it with brush or sponge
What is your portafilter size: Search through Google (coffee machine brand/model+ Espresso Tamper Size), to determine the size of your coffee machine portafilter. you can basically be sure that which size of espresso dosing funnel is suitable for your portafilter
After sale and guarantee: If you receive the goods and find that the products are defective and cannot be used, please contact us in time. After we confirm the problems, our company will take corresponding compensation measures.

Specifications:
Material: 304 stainless steel
Diameter: 51mm/2in
Color: Silver
Weight:Appro. 112g
Package quantity:1 pc
Package size: 7.8*7.8*2.9cm