Milling Coarseness Adjustable You can control the coarseness by adjust the Stainless Steel Nut and the Spring design of hand grinders tail You can get a relatively fine result through multiple grinding Do not tighten the nut too much otherwise the handle will be hard to turn Wide Application Suitable for Various GrainsSpices such as grinding millet coffee rice chili soybean pepper Besides For grinding corn you need use tools to crush the whole corn first and then try to grind it because it has difficulty in grinding whole corn due to its higher hardness Solid Polished Stainless Steel The manual seeds grinder is made of 304 Stainless Steel which is more durable than 201 with solid wood handle Use Detachable Design for easy Cleaningcan be washed directly with water Hand Crank Table Clamp Design Our hand grinder is designed into hand cranking operation simple and convenient to fix to the desktop Manual grinding can preserve the nutrition of food and reduce waste Compared with electric the manual grinding process is more fun Important Notes 1The grinding effect of manual grain grinder can only reach a mixture of fine particles and flour If you need the fine flour for bread please kindly purchase Moongiantgo Electric Grain Mill 2When you first opened it the handle was backwards for better packaging before shipping and you need switch it around then try to grind materials 3 For safety please hold the spring part when installingremoving the handle in order to avoid it popping out