Features: Wide CompatibilityThis coffee knock bin comes with a portafilter holder that can accommodate most 51mm, 53mm, 54mm, 58mm coffee portafilters, making it suitable for a wide range of espresso machines. Durable MaterialThe coffee knock box is made of high quality materials, ensuring thick, high density, and resistance to cracking, deformation, heat, and corrosion. It guarantees long-lasting durability. Easy to CleanThe coffee grounds box features an embedded design and a detachable structure, making it easy to clean the coffee powder residue with minimal effort. Secure and Noise-ReducingConstructed with premium thickened iron and a silicone protective rod, this knock box provides enhanced stability and safety during use, reducing noise when tapping the powder. Non-Slip DesignEquipped with anti-slip foot pads and four anti-slip pads at the bottom, the knock box stays in place, preventing sliding and abrasion. Specifications: *Part Name: Coffee Grounds Knock Box *Material: Silicone,ABS *Size: 176*92*148mm *Color: White Package Content: 1x Coffee Grounds Knock Box Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.