MyLifeUNIT Stainless Steel Coffee Espresso Knock Box 7" x 5" Large espresso coffee knock box provides the convenience to empty used coffee grounds right after a brew, a good helper for extracting espresso. Moreover, the deep box design has large capacity means the coffee grounds are not easy to splash. Heavy duty stainless steel construction for professional use and food grade material for safe use. Good quality espresso knock box with smooth surface have the features of cleaning easily, durable and wear-resistant. The main rod in the middle is made of durable bar and engineering rubber , which can be used as a buffer when we pour coffee grounds, we can save time when using. Practial coffee espresso knock box suitable for coffee shop, dessert shop, home and office. The box with large bottom allow it place firmly on desktop. Can be use with knock box holder together. Measures 175 mm x 130 mm x 95 mm (7 inch x 5.1 inch x 3.7 inch).