An essential tool in any home barista's arsenal, the Avanti Knock Box allows quick, efficient disposal of spent coffee grinds and frees up the portafilter for more brewing. Small and compact, the knock box has an anti-slip ring on the base which prevents it from moving about. It stores easily on the espresso machine's drip tray to reduce clutter on your kitchen bench top. Thick and durable knock bar absorbs the striking force and makes it quiet to use Anti-slip ring on base Removable knock bar for easy emptying and cleaning Small and compact - stores on the drip-tray of an espresso machine