1. Material: The coffee dosing ring is made of aluminum alloy, which has strong and durable performance, rust and corrosion, making your coffee brewing process healthier and safer. 2. High stability: The coffee dosing funnel has higher stability than other non-magnetic dosing rings, it can be stably placed on your coffee machine and removed. 3. Keep the worktop clean: prevents ground coffee from spilling out of the filter and spoiling your worktop. Thanks to the coffee dosing funnel, all the coffee passes into the filter basket. Each spill, excess ground coffee can be scraped into the grinding chamber to ensure the same dose, improving quality consistency and keeping the bench clean. 4. Easy to clean: can be cleaned quickly with a brush, sponge, dishwasher, etc. Simply rinse with water, then clean with a brush or sponge; To use, simply place the funnel on your mobile filter while grinding, dispensing and tamping, and quickly remove the funnel when you're done. 5. Applicability: If you or your friends like to drink craft coffee, this one is suitable for use at home or in the office, or as a great gift for coffee lovers. Specification: Item Type: Measuring Funnel Product Material: Aluminum Alloy. Weight: approx. 68g / 2.4oz Size: approx. Inner diameter: 48mm/1.9in, height: 18.5mm/0.7in Suitable for 51mm fabric powder loop to connect coffee rings. Package List: 1 x Measuring Funnel