Feature: 1. Perfect adjustable setting: The manual coffee grinder can be adjusted in three levels of coarse, medium and fine by turning the adjusting wheel, clockwise for fine level and counterclockwise for coarse level. Make sure that there are no obstacles between the inner and outer burrs. Turn the adjusting wheel. This is very important when changing from coarse to fine. Keep the coffee beans dry before grinding. 2. Portable mini type with ceramic adjustable knob, easy to use and clean. The manual coffee grinder can be cleaned with a brush or running water. It is easy to disassemble and clean. After cleaning, please air dry before reassembling the parts. 3. Stainless steel thickness is upgraded to 0.8. 4. Convenient to carry, do whatever you want. Please read the detailed instructions before use. 5. The detachable hand crank mechanism consistently eliminates more than 90% of the noise generated by the electric grinder. 6. The least amount of heat is generated during grinding, and the aroma of coffee is maintained to the greatest extent, while the grinding is smooth. Description: Product Name: Portable Hand Coffee Machine Material: Stainless steel Color: silver white Packing list: 1 x Portable Hand Coffee Machine Note: The color deviation is subject to actual system configuration and 1-3cm slight dimension difference is allowed due to manual measurement. Please refer to the size chart based on your actual figure.