About This Espresso Dosing Cup: The espresso coffee dosing cup with a diameter of about 58mm can be matched with most portafilters and grinders. Material: Made of high quality stainless steel, sturdy material, polished surface process, simple and stylish. Function: Use this dosing cup to access the desired amount of coffee powder, then take the filter cover and reverse it to shake it slightly, so that the coffee powder in the filter is evenly distributed, reducing excessive coffee powder flying out. This can be more convenient than taking the filter directly to the powder, so you don't have to be careful about getting your machine and drip tray dirty when connecting the powder. Easy to Clean:This dosing cup made of stainless steel to reduce residue and easy to rinse. Coffee Accessories:The dosing cup is a nice coffee accessory that goes well with the 1 tablespoon coffee scoop.Suitable for home,restaurant,cafe,etc.If you are a coffee lover,this coffee tools is a good choice.