Knock out a spent puck in under five seconds — cleanly. An electric portafilter cleaner that ejects the used coffee puck for you, so bar and café staff spend less time banging a knock box and more time on the next drink. It comes ready to fit the machines you actually run. Why bars and cafés choose it Fits your machine. Three scraper sizes — 51, 53/54 and 58 mm — cover most major espresso brands, so it works out of the box instead of leaving you to guess. Fast and hands-off. Ejects the puck in under five seconds with a brush head to sweep out residual grounds. Contained mess. A stainless-steel knock canister with a detachable inner vessel keeps grounds in one place and empties in seconds. Space-saving. A hanging hook stores it off the counter. Specifications Scraper sizes: 51 / 53–54 / 58 mm Includes: brush head, detachable inner vessel, hanging hook Body: stainless steel Learn more More technique and gear guides on our journal. Why buy from Cocktail Ceremony The same tools we use in our own bar service — trusted by 150+ cocktail bars across 54 countries. Free worldwide shipping over €200, fully tracked. If anything arrives damaged, we replace it — just send a photo within 3 days. Worldwide shipping. Delivery time and cost are calculated at checkout.