Features: High quality: Made of Aluminum Alloy material. Compatible-with most 51/58mm portafilters . Much faster for weighing individual doses, and helps distribute grounds in the portafilter more evenly. Easy to use: The versatility of this dosing cup allows for precise weighing of ground coffee and easy and neat transfer between the grinder and portable filter. Easy to clean: Effectively keeps coffee grounds in a portable filter to reduce confusion and more consistent-spraying, while minimizing spillage. Using this measuring cup can keep the machine and drips tray clean. The can cup is a great aid for any who weighs their shots and does not want to grind directly into the portafilter. Specifications: Material: Aluminum Alloy Style: 51mm/58mm Size: As Shown in the Picture Package Includes: 1x Coffee Dosing Cup note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.