Manual Flax Seed Grinder - Pepper Mill with Adjustable Coarseness, Household Grinding Bottle, Hand Crank Mill. Durable materials: safe and reliable, sturdy and lightweight, wear-resistant, not easily broken or faded. Adjustable device: The pepper grinder can be adjusted by turning the top nut from loose to tight to achieve the desired seasoning fineness, thickening counterclockwise and thinning clockwise. Design: The pepper grinder adopts an ergonomically designed wooden body, providing a comfortable grip. It can attract family and guests at any time. Easy to carry: With a lightweight design, the manual spice grinder is easy to move. More importantly, being lightweight does not add any extra burden when storing it in your bag. Widely used: The crank-shaped pepper grinder is suitable for making various types of pepper powder, salt, sea salt, pills, Sichuan pepper, black pepper, sesame, and more.