High quality: Rust design , its pretty delicate with premium material and exquisite appearance.You can easily and comfortably compress your favorite ground coffee. Rotary powder receiving ring: Rotating tightly feels silky, safe and reliable, and looks novel and atmospheric. New form of powder receiving ring: The rotating buckle fits perfectly with the handle to prevent powder flying, and it can be hung on the machine to receive powder. Consistent Brew: Get consistent distribution and pressure every time making it easy to pull your perfect shot right at home, Leveling your grounds before tamping creates a uniform and consistent tamp. No more mess and coffee waste: Espresso Dosing Funnel is the perfect tool for effectively getting the coffee grinds in the filter basket without spilling. Catches all the ground coffee into the portafilter and prevents a messy machine. No more groundscleanup Description: The dosing funnel solves the problem of starting the grinding process, insuring all the grinds go in the basket, and easing the tamping process since it's attached. With this device, you can use the double dose setting, then tamp with no mess, preventingthe coffee grounds from spilling. Specification: Name: 54mm integrated rotating powder ring Model: Perfu 8 series coffee machine handle Material: Aluminum alloy Size: 54mm Package container: 1*Espresso Dosing Funnel