About This Precise 51mm Compatibility：Designed to be compatible with 51mm espresso machines and portafilters, this kit ensures a clean workflow for dialing in consistent shots. The included 51mm dosing funnel and portafilter funnel help reduce waste and improve dosing accuracy for everyday brewing 316 Stainless Steel Puck Screen Performance：The included 51mm puck screen(150μm mesh, 1.7mm thickness) promotes smooth, even water flow during extraction. By reducing channeling and maintaining a stable coffee bed, the puck screen 51mm helps improve shot clarity and flavor consistency for both light and dark roasts Pearwood WDT Tool with 304 Stainless Steel Needles：This wdt tool espresso features a handcrafted pearwood handle paired with six stainless-steel needles that effectively break up clumps. Thewdt tool creates a uniform coffee bed, reduces spurting, and improves distribution for richer extraction quality Mess-Free Dosing with 51mm Aluminum Funnel：The lightweight aluminum 51mm dosing funnel keeps grounds securely inside your portafilter while stirring or leveling. When paired with the espresso dosing funnel, it minimizes spills and maintains a tidy workflow—ideal for home baristas who want smoother preparation Complete Set for Consistent Barista-Level Results：This espresso prep kit combines a wdt tool espresso, 51mm puck screen, and espresso dosing funnel into one reliable system. Designed for users wanting café-style consistency, the tools enhance distribution, extraction stability, and shot repeatability in daily use Overview Material : Metal Brand : PROKITCHEN Shape : Disk Number of Pieces : 3 Unit Count : 3.0 Count