A coffee dosing funnel ensures that all of the coffee goes into the portafilter basket, which drastically minimizes mess and makes loading and tamping much easier. The Coffee Dosing Ring is a very helpful espresso accessory that may effectively prevent powder splashing and messing up your worktop.

The coffee dosing funnel inner diameter is 51mm, fits most 51mm portafilters on the market. 

Made of Aluminum Alloy, not easy to rust and corrosion. And this dosing ring is very light.

Auxiliary funnel for filling the shutter of the Espresso machine with ground coffee from aluminum in black colour. Suitable for 51mm portafilter