Features:1. This ergonomic coffee knock box enables easy knocking to dispose the grounds and improve the working efficiency.2. Bottomless design adds more convenience in collecting the dust and dirt, which can also prevent it from blowing.3. Allows for extensive uses in home, cafe, restaurant, bar and many other places where coffee needs to be brewed.4. Adopting high quality rubber and stainless steel materials, very sturdy for repeated knocks and long term using.5. Compact size will not only save your space, but also simplifies the installation and coffee bean processing.Specification:Item Type: Coffee Knock BoxMaterial: Stainless Steel + RubberWeight: Approx. 1372 g / 48.4 ozPackage List:1 x Coffee Knock Box