Designed to sit on your espresso machine’s drip tray under the group head, the Grindenstein knock box keeps your bench top clear while collecting spent coffee pucks. Its compact height reduces clutter and stores neatly when not in use, and the thick rubber-sleeved bar is built to take repeated knocks. When you’re done, place it on the top rack of the dishwasher for easy cleaning. Purchase this space-saving knock box to streamline your coffee routine with compact convenience.