Manual Coffee Grinder, Conical Burr Grinder Adjustable Setting Portable Hand Crank Coffee Bean Mill For Coffee Gift|Manual Coffee Grinders The product design is only for coffee beans. Please apply brushes to clean the product .Don't water clean it. Conical burr is sharp.Please be careful when in usage. Please put away from kids. Simply place the coffee beans into the manual coffee grinder and turn the hand crank. The hand crank coffee grinder no electricity needed, fully controlled by yourself. Conical Burr: Upgraded Core Capacity: 15-20g Colour: black Material: space aluminum Size: 155x50x168mm Package Contents: 1 * manual coffee grinder Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.