Keep Fresh Coffee Flavor: This manual coffee grinder provides a professional coffee bean grinding experience. The ceramic burr minimizes friction heat, helping preserve the natural flavor of coffee beans. Turning the hand crank clockwise allows you to feel the beans being evenly ground, releasing their rich and intense aroma. Enjoy a satisfying, hands-on grinding experience. 4 Adjustable Grinding Levels: The central knob offers four grind settings from fine to coarse, making it easy to adjust the consistency of your grounds. Slowly turning the handle crushes the beans uniformly, enhancing the depth and mellowness of the coffee flavor. Durable and Portable Design: Constructed with high-quality materials, this grinder features a durable ceramic burr and a stainless steel hand crank. Its compact and portable design makes it ideal for use at home, in the office, or on the go. Avoid operating the grinder without beans to prevent damage to the ceramic components. Easy to Fill and Clean: The user-friendly lid design allows for effortless loading of coffee beans. The grinder is simple to disassemble and reassemble, and cleaning is quick—just rinse with water.