The knock box was designed to fit underneath most common espresso machines and big enough that you don't have to empty it too often.Specification:Item Type: Coffee Knock BoxMaterial: Stainless Steel+RubberSize: Approx. 25.5x38x10cm /10.04x14.96x3.94inWeight: Approx.4.5kg/158.7ozScope of application: coffee shops, milk tea shops, western restaurants, etc.Package List:1* Coffee Knock Box (Excluding other exhibits)Note:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.Thank you for your choice, if you have any questions during use, please contact us, we will reply you within 24 hours, I wish you a happy life!