Ceramic grinding core5.Do not spin counter clockwise as ceramic burr may get damagedThe body, handle and internal components are built with food grade stainless steel to give you a product that is durable and ensure you have a product to your kitchen for many years.3.Be sure to use fresh, dry beansPackage Included: 1 x Manual Coffee GrinderBuilt-in adjustable grind selector you have precision control over the coarseness of your Pour Over, Drip, , Cold Brew, French Press, Percolator, , Turkish, , K Cup, Herb, or grind.Material: Stainless steel4.Please avoid empty grinding or it will damage the ceramic and the grinder2.Remember to dry it well before reassemble the partsSize: 19.8 × 4.8cmWill retain coffee oils to give you the perfect flavor in a fresh cup of coffee is the best way to start and go through your day.Attention: 1.Please use a brush or a rag to wash the grinder; NEVER do it with bare hands to injuryConvenient removeable hand crank mechanism consistently eliminates over 90% of the noise that electric grinders produce. grinding your favorite roast quietly in an office cubicle or in your kitchen when your loved ones are fast asleep.No batteries, power, or long plastic cords needed to operate your portable compact coffee grinder, allowing you to travel with and brew roasted ground coffee beans on your next camping, hiking, backpacking, or outdoors trip.Capacity: 40gWashable,Easy to clean