About This PREMIUM MATERIALS: Made from high-grade aluminum dosing ring and 316 stainless steel puck screen with 1.7mm thickness for superior durability and performance PERFECT FIT: Designed to work seamlessly with standard coffee portafilter filter baskets for precise dosing and even water distribution DUAL COMPONENTS: Set includes both a dosing funnel for mess-free grounds distribution and a reusable puck screen for improved extraction EASY MAINTENANCE: Hand washable components that are built for long-lasting daily use in both home and commercial settings COMPACT SIZE: Dosing ring and puck screen set with space-efficient dimensions, weighing just 0.1pounds