Just turn the knob on the top to refill the grinder with fine, medium or coarse grains to meet all your needs, perfect for your home use in the kitchen, camping and more.Product name: pepper grinderMaterial: Beech, CeramicrotornoAppropriate scene: home kitchen, restaurant back kitchen, picnic, barbecue, etc.hint:1. Before buying, please check the color and size.2. Product photos do not include products other than products.3. Due to different monitors, please note that there may be some color differences, please understand.4. The above data is for reference only, the size is measured manually, the error is 1-3 cm, please allow, thank you.5. If you find any problem with our products, please feel free to contact us by email, we will solve this problem as soon as possible.6. Welcome to share and feedback to provide you with better services and products