Simple in form and function, this dosing cup is designed to transfer ground coffee from your grinder to your portafilter, making your coffee dosing routine easier and less wasteful. Features a lip around the circumference for greater compatibility with grinders. The stainless steel construction is also rust-resistant, enabling spraying to eliminate static while grinding. Single Dosing Precision – Much faster for weighing individual doses, and helps distribute grounds in the portafilter more evenly. 304 Stainless Steel – Made of food-grade 304 stainless steel, built to be used daily, for every shot, and last a lifetime. Easy to Clean – Non-stick coating to minimize residue. Easy to clean with water and light soap only. 53.3mm – A Normcore design-patented shape. Fits 54mm baskets and is fully compatible with Breville / Sage Barista Pro and Breville Barista Espresso Machine models. NOTE: due to its unique integrated dosing mechanism, this size is NOT compatible with the Barista Express Impress or similar models. Diameter: Φ 53.3mm, H: 70mm | Capacity: 50 grams | Weight: 100g 58mm – Fits 58mm baskets on most grinders and portafilters, ideal for E61 / commercial machines. Diameter: Φ 57mm, H: 77mm | Capacity: 60 grams | Weight: 114g 53.3mm version: PATENT PENDING (design patent). INCLUDES: 1 - Normcore Portafilter Dosing Cup