LifeJoy Premium Heavy Duty Hand Crank 4 Parts Spice Herb Tobacco Grinder Anodized for smooth finish, Razor Sharp Cutting Blades. Awesome See Through Hard GlassTop. 15 Teeth on the top and 13 teeth on the bottom Thin polly O-ring around top grinding section, for smooth grinding and no friction. Grind all your herbs, spices, tobacco and really anything else that you can think of.