When brewing coffee, coffee powder easily splashes everywhere. A coffee powder dosing funnel solves this problem. With our funnel, all coffee powder falls into the filter basket of the portafilter, preventing spills and mess, and reducing dust and effort during brewing. Product features: Step 1: Magnetic design for improved stability. Step 2: Made of high-quality aluminum alloy, durable and heat-resistant. Step 3: Easy to use, convenient for collecting and monitoring coffee powder. Step 4: Simple design, suitable for 51mm portafilters. Step 5: Suitable for home, office, cafes, restaurants, and more; also an excellent gift for coffee lovers. Magnetic design: Our coffee powder dosing funnel features a magnetic design, effectively improving stability and preventing coffee powder from splashing; even better, it can save you about 8% of coffee powder. Compatible with 51mm filters: Our coffee funnel is compatible with 51mm diameter filters and can be used with a tamper. It can also be used with a coffee stirring stick, making it easier to shake and chop coffee powder and greatly reducing the risk of spills. [Prevent spills] With our coffee dosing ring, all coffee powder goes into the filter cup, preventing spills and mess, and reducing clutter and inconvenience during brewing. Premium material: Our 51mm coffee dosing ring is made of high-quality aluminum alloy, making it durable, practical, rust-proof, and corrosion-resistant. Easy to use and clean: Simply place the 51mm espresso dosing ring on top of the filter cup when pouring, dosing, and brewing coffee, then remove it. It can be quickly cleaned with a brush or sponge.