【Perfectly Fits 58mm Portafilters】Compatible with most 58mm coffee machine portafilter baskets. 【Strong 9 Magetic Points】Our funnel is made of anodized aluminum ring and has 9 magnetic points. It can be stably placed on your coffee machine without worrying about falling or moving. Quickly use and replace the funnel with ease! 【High Quality Aluminum Material】Made of high quality aluminum alloy, FDA grade material, safe and durable in use. Simple and lightweight design and high temperature resistant. 【Minimal Wastage】The sleek design of our funnel ensures minimal wastage when you are dosing, allowing your grinds to pass into your portafilter seamlessly. 【Weiss Distribution Technique WDT】The product utilizes the WDT method for coffee grinder distribution, ensuring your grinds are broken into tiny grains. The technique also prevents unnecessary spilling.