Product Summary: Universal Coffee Tamping Station (51/53/54/58mm) Core Function – Multi-functional station for tamping, filling, and storing coffee accessories. Universal Compatibility – Fits 51-58mm portafilters; Works with 51-54mm portafilters as-is, and with 58mm after removing the slot (detachable card slot). Precise & Organized Storage – Designed with accurate hole positions to neatly store tampers, distributors, filter baskets, dosing rings, WDT tools, cleaning brushes, and filter papers. Adjustable Design – Features an adjustable screw cap to modify height for compatibility with different handle models. Material & Build – Made of durable ABS plastic, finely crafted, fully washable, with a soft, textured feel. Stability & Protection – Equipped with non-slip silicone pads on the bottom to prevent slipping and surface scratches. Note – Size is manually measured; minor variance may exist.