1. [54mm Dosing Funnel]The 54mm Dosing Funnel for is made of quality aluminum alloy, perfect material, for your family¡¯s , is a barista tools for Barista Express, Barista Touch, Barista Pro, Infuser, Duo Temp pro. 2. [Hands Free And Auto grind]With just a slight twist, the hands- dosing funnel attaches to your 54mm coffee portafilter, the ears on either side help the filter fit ly under the grinder, Thus ing hands. There is a button to slide into the chute, then the button tap auto-activates the grinder for a perfect dose. 3. [Prevent Coffee Powder From Spilling/Tamp The Coffee Powder]The height increases after wdt tool installation, so that the portafilter can easily hold 21 grams of coffee powder, avoid spilling, it can save coffee powder and keep the environment clean ! This funnel inside diameter is the same as the top of a portafilter basket, so it works with the tamper to easily help you compact the ground coffee in the mobile filter, significantly reduces the mess and difficulty in loading and tamping. 4. [Easy To Clean And Good Value For Money]The accessories easy to clean, you just rinse it with water, then use a brush or towel to clean it, or it is dishwasher . The material is tough, it lasts a long time, and it's a great value machine accessories, take it home and use it. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.