3d Creations Traditional Black Wooden Salt & Pepper Grinder, Mixer, Mill, Manual Shaker, Spice Storage Features: For family kitchen, dining room, restaurants and hotels. Made from wood material, durable and practical for use. Can adjust the powder's size: unscrew the stainless steel nut, screwing up is for thinness and screwing off for thickness. Size: 8 inches a perfect grinding tool for making spices. How to use: 1. Unscrew the stainless steel nut; 2. Open the round wooden lid, put pepper or other spices in it; 3. Screwed on the cover; turn right and turn round wooden cover, and spin several times, then the pepper would be crushed.