About this item High Quality Material - The coffee dosing ring funel replacement is made of premium aluminium material, durable and high temperature resistant, suitable for most coffee machine handles. Unique Magnetic Design - This espresso dosing funnel cup is designed with 4pcs magnet, which help improve the stability and effectively prevent powder spreading. More easy and convenient to use. Avoid Mess & Waste - This portafilter dosing funnel will stop wasting coffee and messing up your work top. it helps save coffee powder and save time. Easy to Operate - Portafilter espresso dosing ring is very easy to operate, just simply place the funnel ring on the top of the filter while grinding, istributing and tamping. Convenient to place powder and observe the amount of powder. Widely Application -The coffee powder dosing ring is suitable for most coffee machine handles or 51/53/58mm coffee portafilter, great to use at home or in the office, also it will be a nice gift for coffee lovers. Specifications: 51ml, 53ml, 58ml Material: stainless steel Weight: 36g, 40g, 45g Color: black, gold, rose gold, silver Quantity: 2pcs