Perfect Mini Knock Case: This espresso knock case is big enough to hold a decent amount of coffee pucks and the size is perfect for storing underneath most espresso machines, saving your kitchen countertop space. Unique Design Knock Case: Bayonet design helps prevent coffee grounds from splashing, while the angled opening allows for convenient use. Widely Used: Espresso dump bin can be used at home, coffee shops, dining halls, restaurants, and more. Easy Processing: Dispose of used coffee grounds quickly and easily within inches of your espresso maker. Store used coffee grounds for gardening or later transfer to a compost bin. The knock case provides ample storage space for used coffee grounds. Detachable Knock Rod: Rubber component can be removed from its holder for emptying and cleaning. The rod comes out easily for fast 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.