Precision Portafilter Dosing Ring Experience precise coffee dosing with the 58mm Portafilter Dosing Ring. This innovative funnel ensures consistent dosing, minimizing waste and saving both time and money. Consistent Dosing: Achieve a uniform and accurate coffee dose every time, enhancing the quality of your brew. Minimal Waste: The dosing ring minimizes spillage and ensures that every particle of coffee goes where it should - into your portafilter. Time-Saving: With its precision design, this dosing ring streamlines the coffee preparation process, allowing you to focus on creating the perfect espresso. Cost-Effective: By eliminating unnecessary waste, this dosing ring helps you save money on coffee grounds in the long run.