About This STANDING COFFEE KNOCK BOX: Different from the common coffee knock box. Our coffee grounds knock box is 33.7 "H, has a huge storage space can hold about 350 cups of coffee, can collect a large amount of coffee grounds at single time. This espresso grounds bin is a perfect choice when you make a new flavor of coffee for practice! REMOVABLE KNOCKER BOX: This vertical espresso grounds bin is designed as a 3-part removable knocker case. You can easily remove and install this coffee percussion box when it is time to clean the percussion box or make a trash bag change. The increased contact area between the base and the floor allows the espresso knock box to stand firmly without tipping over! DEEPENED OPENING DESIGN: The top opening of the espresso grounds bucket is designed with a removable solid rubber rod that won't make a loud noise or scratch the coffee pot when tapping. The rod is fixed at about 60mm from the U-shaped notch, which makes it easy to clean the used coffee powder from the filter during the tapping process. The wide opening ensures that the coffee powder will not splash out and fall outside the bucket. You can also choose whether or not to install knock rod according to your needs! COMMERCIAL COFFEE KNOCK BOX KIT: This knock box kit is perfect for use in a commercial coffee bar. Knockbox kit includes 1 standing tapping box, 20 Garbage bags, 1 brush for cleaning coffee grounds and a towel to hang on the side of the coffee bucket. The full set of coffee bar accessories also makes a heartfelt gift for the professional barista! MULTIPLE OCCASIONS: The practical espresso grounds bucket is suitable for a variety of occasions in coffee shops, western restaurants, bars, home kitchens and so on. Professional baristas or coffee lovers don't have to worry about filling it up quickly when making coffee or doing coffee practice, which can greatly save time and make all kinds of delicious coffee!