【What will you get?】51mm magnetic dosing funnel & 51mm puck screen compatible with 51mm portafilters. Place them on the portafilter basket, which helps you make delicious espresso coffee. It will be a great help for you to become a professional barista! NOTE: It is not compatible with the MHW-3 Bomber 51mm portafilter. 【Upgrade Magnetic】 This espresso dosing funnel designed with 10 magnets in equal positions, can easily attract the filter basket, compared with stainless steel more stable, and prevents falling. The espresso funnel's inner diameter is 51mm and fits most 51mm portafilters on the market. 【Keep Desktop Clean】The espresso funnel upper opening is designed with flaring to expand the filter range and effectively prevent coffee powder from spilling. The coffee dosing ring is a handy espresso accessory that can effectively avoid splash mess and coffee wastage, thus keeping your desk neat. 【Double-layer Filter Screen】 The 51mm espresso puck screen is 11848 mesh, and the filtration precision is 0.18mm. Uniform distribution of filter holes, effective flow diversion. Improve the uniformity of extraction. 【MHW-3BOMBER Service】 If you love coffee or work as a professional barista and want to ensure a good user experience with coffee tools and accessories, MHW-3BOMBER is a good choice. Please let us know if you have any questions or suggestions about the coffee dosing ring. Thank you for your confidence in the MHW-3BOMBER. Enhance your espresso routine with this high-quality 58mm dosing funnel and puck screen. The funnel features 10 magnets for stable attachment, flared edges to prevent spills, and an aluminum alloy built for durability. Its bottom-hanging design preserves the portafilter's inner wheel and increases the powder connection range. The double-layer 11848 mesh puck screen ensures even extraction. Note: Not dishwasher safe. Our espresso dosing funnel accessories are an ideal choice for keeping countertops tidy and keeping your espresso machine in top condition.