Thank you for viewing! This is a dosing ring for espresso (51mm, magnetic). It helps prevent spills and ensures even distribution when transferring coffee grounds from the grinder to the portafilter. --- Features • Material: SUS304 Stainless Steel • Magnets: 8 embedded strong magnets • Compatible Size: 51mm portafilters (De’Longhi, HiBREW, etc.) --- Main Benefits 1. Prevents spills Prevents grounds from scattering when directly dispensing into the portafilter. 2. Supports even distribution Helps to level the grounds, making distribution and tamping more stable. 3. Magnetic for one-touch attachment Attaches with a "snap" and stays in place, allowing for one-handed operation. Stable enough that it won't fall off even when turned upside down. 4. Tamping OK with the ring attached You can apply pressure with the tamper without removing the ring. --- Size Reference (Actual Measurement) • Outer Diameter: Approximately 67mm • Inner Diameter: Approximately 53mm • Height: Approximately 12mm (Approximate values based on actual measurements) --- Usage Example Recommended for those using 51mm portafilters such as De’Longhi, HiBREW, and STARESSO. Allows for professional-looking dosing even with home grinders. --- Condition • Used only a few times, no noticeable scratches • Strong magnet adhesion, works well --- Shipping will be handled via Yu-Yu Mercari Mail (anonymous shipping) and carefully packaged. Instant purchase without comments is welcome ☕