Description: The coffee knock box solves the extremely messy problem of removing the used grinds from your coffee machine or group handle. The knock boxes are used to knock out to the spent ground coffee out of the filter handle, so the next espresso can be prepared. Keep the mess in the box, and the flavor in the cup. The knock box should be cleaned minimum once per day or when full. Features: ✔【High Quality】：Heavy duty stainless steel construction knock box square for professional use, anti-rust and easy to clean. ✔【Professional Espresso Maker Tool】：Keeps the coffee ground mess in the knock box, and the flavor in the cup. ✔【2 Sizes】:Large capacity coffee knock box design is based on a deep bowl with a large capacity, avoiding the splashing of coffee grounds. ✔【With Rubber Bar】：The espresso knock box main durable rubber stem plays a role in buffering, protecting the controller of coffee machine. ✔【Espresso Dump Bin】：The great accessories of professional semi-automatic coffee machine.Great for home,cafe or coffee bar,western restaurant, bar etc. Specification:Condition: 100% Brand New Material: Stainless Steel Color: Silver Product Size: S, M (Optional) S: Approx. 17.5 x 16 x 9.5cm / 6.88 x 6.29 x 3.74inch L: Approx. 16 x 17.5 x 15cm / 6.29 x 6.88 x 5.90inch Product Weight: Approx. 437g~544g Package Included: 1 x Coffee Knock Box with Rubber Bar