HIGH QUALITY COFFEE KNOCK BOX - produced of ABS plastic material, durable and sturdy, prevents bacterial growth from inside. Anti- design at bottom, more stable when knocking slag. DETACHABLE KNOCK BAR - produced of Metal, covered in rubber.The rubber design has a very good buffering performance,can reduce noise and protect handle of coffee machine,and removable design easy to clean. PERFECT SIZE - This knock box is big enough to hold a decent amount of coffee pucks and size is perfect for storing underneath most espresso machines. UNIQUE DESIGN - Bayonet deep bay design makes coffee slag not easy to splash while oblique mouth allows you to use more convenient. WIDELY USED - Can be used , cafe shop, canteen, restaurants, bars and more. This product is Coffee knocking barrel .The product is produced of high-quality , which is safe, harmless, durable and environmentally friendly. Weight: 208g Colour: black Material: ABSandMetal Size: 100 x 100 x 110mm Package Contents: 1 x espresso knock box Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.