Compatibility - Designed to fit 54mm portafilters on machines like Breville / Sage Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser, and Duo-Temp Pro. Specially designed with double lips - This dosing cup can be hung directly on the coffee machine, making your dosing workflow smooth and easy. Single Dosing Precision – Much faster for weighing individual doses, and helps distribute grounds in the portafilter more evenly, keeping your countertop clean and tidy. Premium materials – Made of food-grade 304 stainless steel, to be used daily, for every shot, and last a lifetime. Easy to Clean – Non-stick coating to minimize residue. You may also spray some water on the beans to eliminate static while grinding. Easy to clean and dishwasher safe.