About This HIGH QUALITY MATERIAL: Made of stainless steel, durable in use; the rod is made of ITL engineering rubber, play a very good cushioning properties, protect the handle of coffee machine. LARGER SIZE: 6.9 X 6.4 X 4 Inch (L*W*H). It's perfect for most espresso machines. With 2L capacity, it could prevent coffee grounds from splashing all around. EASY TO CLEAN: The smooth stainless steel interior resists coffee residue and is dishwasher safe for quick cleanup. A practical espresso accessory for home baristas, offices, cafés, and coffee shops. MULTIPURPOSE: It could be widely used in coffee shop, western restaurant, bar, home kitchen etc. BUILT-IN & DROP-IN DESIGN: Designed for built-in countertop installation, this drop-in espresso knock box keeps spent coffee grounds contained while maximizing valuable workspace. Create a clean, organized, and professional coffee station for home baristas, cafés, and coffee bars.