About This Premium Materials for Safe Daily Use：Made with a corrosion-resistant ABS body and 8 food-grade SUS304 stainless-steel needles. Durable, safe, and built to withstand long-term espresso preparation without rusting or deforming. Ultra-Fine & Flexible Needle Design：The ultra-thin 304 stainless steel needles offer excellent toughness and are not easily bent. They penetrate coffee grounds smoothly to break up clumps and create a more fluffy and even distribution. Easy Rotary Adjustment — Customize Needle Spread：Features a user-friendly rotary adjustment mechanism that allows you to easily control the needle spread range. Fine-tune your WDT technique for different portafilter sizes and grind densities. Improve Extraction Quality & Reduce Channeling：Evenly distributes grounds to promote balanced water flow and maximize extraction. Helps reduce channeling, enhance crema, and bring out richer and smoother espresso flavors. Hygienic Storage Base Included：Comes with an ABS storage base that keeps the tool upright, clean, and protected when not in use. Prevents needle damage, maintains hygiene, and adds convenience to your coffee station. Suitable for various appliances: compatible with filter handles of Italian espresso machines, pour-over coffee makers, mocha pots and other coffee equipment. This coffee stirring stick is highly suitable for both home use and coffee shops, and is also an innovative gift idea for coffee lovers.