Product Overview Where hobby crafting demands consistency, the 51mm Espresso Dosing Funnel, Magnetic Coffee Dosing Ring, Compatible with 51mm Espresso Portafilter delivers professional outcomes backed by precision build. Notable features include 51 mm and mm portafilters, contributing to its easy-to-use character. Key Features Compatible with 51 mm portafilters and filter baskets for a precise and secure magnetic fit. External-fit design prevents groove marks on the portafilter rim. Large inner diameter allows coffee grounds to flow smoothly without clogging. Magnetic attachment with six strong magnets ensures a secure and stable fit. Expanded receiving area prevents coffee grounds from spilling during grinding and WDT stirring. This funnel uses strong neodymium magnets, which are among the strongest types of permanent magnets. If magnetic strength seems weak, it is due to your filter basket—304 stainless steel varies in magnetic response depending on the manufacturing process. Try a different basket if needed. Why Choose the 51mm Espresso Dosing Funnel The 51mm Espresso Dosing Funnel, Magnetic Coffee Dosing Ring, Compatible with 51mm Espresso Portafilter demonstrates that easy-to-use engineering and 51 mm can coexist — the result is beginner accessibility that justifies the choice. Best For The 51mm Espresso Dosing Funnel, Magnetic Coffee Dosing Ring, Compatible with 51mm Espresso Portafilter performs reliably in classroom activities, where its multi-purpose design supports satisfying results. Quick Summary The 51mm Espresso Dosing Funnel is a Espresso Machine Replacement Parts product by . Price: $29.98.