Perfect Adjustable Setting: Manual coffee grinder has 3 grades adjustment for coarse,medium or fine by turning the adjusting wheel,clockwise for fine grade and anti-clockwise for coarse grade. Make sure there are no obstructions between the inner and outer burr when turning the adjustable wheel. This is very important when changing from a course to fine grade. Keep the coffee beans are dry before grinding. Hand crank coffee grinder mechanism eliminates over 90% of the noise that electric coffee bean grinders produce. Unlike electric burr grinders for coffee beans, the patented Java Presse dual plated manual ceramic burr coffee grinder assembly requires no batteries, power or long plastic cords to operate. This allows you to enjoy fresh ground coffee beans at home or on the go as the best camping coffee grinder. Portable mini one with ceramic adjustable knob is easy to use and cleaning it. The manual coffee grinder can be cleaned by brush or running water. It is easy to disassemble for cleaning. After washing, please air dry it well before reassembling the parts. professional grade ceramic conical burr for an incredibly consistent coffee grind that heightens flavors of the most exquisite beans in the world. Smell the fresh aroma of fresh ground coffee as you brew them on your espresso machine, AeroPress, French Press or pour over coffee maker Hand Coffee Grinder Adjustable Setting Portable Manual Coffee Mill with Ceramic Burr Grinder Stainless Steel Camping Coffee Bean Grinder for French Press, Drip Coffee, Aeropress, Espresso, Turkish Brew. Convenient to carry in any place as you prefer. you can enjoy your nice coffee time at home,in office or outdoors camping and hiking.