- 58mm coffee dosing ring, ideal for espresso machine portafilters - Features a magnetic system that secures the funnel and prevents ground coffee from scattering - Allows you to save up to 8% of coffee powder by avoiding waste - Made of high-quality aluminum alloy, resistant to corrosion and daily use - Facilitates coffee distribution and tamping, reducing mess on the work surface - Compatible with stirrers and other barista accessories - Easy to use: place it on the portafilter during grinding and remove it when finished - Quick and easy cleaning with a brush or sponge - An essential accessory for baristas and coffee enthusiasts seeking precision and cleanliness in preparation