Perfect Mini Knock Box: This espresso knock box is spacious enough to hold multiple coffee pucks and is compact for storing under most espresso machines, helping to save valuable countertop space. Unique Design: The bayonet-style design helps prevent coffee puck splashing, while the angled spout allows for convenient disposal. Wide Application: Ideal for use at home, in coffee shops, cafeterias, restaurants, and other commercial or residential settings. Easy Waste Disposal: Quickly and easily discard used coffee grounds within inches of your espresso machine. The knock box provides ample storage for spent grounds, which can later be transferred to a compost bin or reused in gardening. Detachable Knock Rod: The rubber knob is removable from its holder for easy emptying and cleaning. The rod can be taken out quickly for thorough cleaning. Size Chart: Style A: 10cm x 10.2cm / 3.94 inch x 4.02 inch Style B: 10cm x 12.7cm / 3.94 inch x 5.00 inch Package Includes: 1 x Espresso Dump Bin Note: Please allow slight variations due to manual measurement and differences in display monitors.