Description: Adjustable Ceramic Grinding – Core The built-in adjustable grinding core ensures that you have precise control over the coarseness of your coffee powder. The ceramic grinding core can better maintain the original flavor of coffee beans. The coarseness of the coffee powder can be adjusted by rotating the core nut, which is fine in the clockwise direction and rough in the counterclockwise direction. Hand Crank Design – The manual crank design can effectively reduce noise, manual grinding, no battery required, and labor-saving design makes it easier and simpler to use. Family & Outdoor Use – The size of this burr grinder is 4.7cm * 4.7cm * 13.5cm (1.85 inches * 1.85 inches * 5.3 inches). The portable design makes it suitable for both home use and outdoor travel. Easy to Clean – Since the parts can be easily disassembled, this grinder is easy to clean, keep clean and sanitary, easy to use, and can extend its service life. Size:13.3*4.8cmNote:Please allow 1-3 cm difference due to manual measurements. Please note that slight colour difference should be acceptable due to the light and screen.