Description: Material: Manual Coffee Grinder is made of aluminum alloy and stainless steel, equipped with CNC steel grinding core, which can cut quickly and grind evenly. It provides a comfortable grip.Size: Hand Coffee Mill's size is 5cmx16.5cm, which will not take up too much space.Adjustable and portable: Coffee Bean Grinder can adjust the coarseness of grinding quickly and easily. Its portable design makes it suitable for outdoor use.Fine grinding: Hand Crank Coffee Mill has an external adjustment system for control of the coarseness of grinding. Just twist to adjust.Easy to clean: Coffee Bean Grinding Machine is easy to disassemble, and cleaning is quick and convenient. Specification: Material:Aluminum alloy, stainless steel Size Chart: 5cmx16.5cm/1.97inchx6.50inch Package Includes: 1 coffee grinder1 Inflatable Ball1 cleaning brush Note: Please allow slightly errors 1-2cm differences due to manual measurement.