Fits perfectly: The coffee dosing ring cup funnel,beautiful and easy to use. Well made: Made of high quality aluminum alloy material, strong and durable, not easy to break or deform, can be used for a long time. Dosing cup for 51mm portafilter: designed with dosing cups for portafilter - one of the most useful and convenient tools for coffee lovers. Aluminum cup funnel: the cup funnel is made of high-quality aluminum, which is more durable and has a long service life. it can be used for coffee, tea, milk, juice, etc. Well made: made of high quality aluminum alloy material, strong and durable, not easy to break or deform, can be used for a long time. Good gift: this is a good gift and friends. you can give it to your father, mother, sister or other people who like coffee. Colour:silver Material:aluminum alloy Size:51mm Package Contents: 1 x Magnetic Dosing Ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.