About This SILENT RUBBER KNOCKING BAR: Features a premium rubber-coated knocking bar that significantly reduces noise and absorbs impact, providing a quiet and smooth coffee puck disposal experience. ANTI-SPLASH SLOPED DESIGN: The angled front opening directs spent coffee grounds downward, preventing grounds from scattering or splashing out during knocking. STABLE NON-SLIP BASE: Equipped with a non-slip silicone bottom pad that keeps the knock box firmly in place during use, preventing unwanted movement or sliding. EASY-CLEAN REMOVABLE BAR: The detachable knocking bar allows for quick and thorough cleaning, ensuring hygiene and easy maintenance after each use. COMPACT AND STURDY CONSTRUCTION: Measuring 11cm in diameter and 10cm in height, this compact knock box fits neatly under most espresso machines while providing ample capacity for multiple used pucks.