Compact 4.8-inch Espresso Knock Box for Quick Grounds ✔️ Single unit pack with removable metal knock bar and base This compact knock box provides a handy receptacle for spent coffee grounds, keeping your countertop tidy after brewing. It is designed to fit under most home espresso machines, making quick dumps easy during busy mornings. ✅ Compact 4.8-inch diameter fits under most espresso machines ✅ Removable rubber bowl with a sturdy metal knock bar ✅ Shock-absorbent non-slip base prevents sliding on surfaces ✅ Easy to clean, detach knock bar for quick emptying 💡 What is an espresso knock box used for? It is handy for catching grounds quickly and keeping the area tidy. - ground disposal after espresso shots for quick cleanup - fits under most machines with a compact 4.8-inch footprint - removable knock bar and easy-to-clean design - stable non-slip base to protect countertops