About This 58mm Espresso Dosing Cup: This 58mm dosing cup is compatible with most 58mm portafilters and most commercial coffee machines. Good for weighing coffee grounds and coffee beans. Easily weighing ground coffee and quicky trasfer between grinder and portafilter. Ideal tools for baristas making espresso. Capacity: Approximately maximum capacity - 40g/1.4oz coffee grounds. Premium Material: The dosing cup is made of food grade PP material which is lightweight and durable. Transparent cup allows a clear view of your coffee grounds. Shake your coffee inside the cup without spilling any coffee powder. Improve Your Workflow: The versatility of this dosing cup allows for accurate weighing of ground coffee and easy tidy transfer between grinder and portafilter. Effectively keeps coffee grounds in the portafilter for less mess and more consistent shots with minimal spillage, keep your machine and drip tray clean with this dosing cup. Easy To Clean: Not easy to leave any residue and reduce unnecessary waste of coffee grounds. Easily rinse with clean water after use. Great for home, office and coffee shops.