This grinder is very well made with a well thought out design. The ceramic, conical burrs are easy to clean, will last long, and will remain rust-free. Perfect for indoor and outdoor use. The coffee grinder not only can grind coffee beans, but also for , cereals and etc. Make your life more fun. Features - Material: ABS Shell, Ceramic Burr. - Our manual coffee grinder provides professional coffee beans grinding experience. - Ceramic burr doesn’t produce excessive friction heat, will not damage the flavor of coffee beans. - If you turn the hand crank clockwise, you can feel the beans being broken and ground, release the rounded and intense flavor of the coffee beans. Enjoy the wonderful grinding experience by hand - The coffee grinder has several grinding levels from fine to coarse to meet your grinding needs. - Our professional coffee grinders are made of materials. The ceramic burr and long hand crank are and sturdy. And the portable design allows you to take them home, office or anywhere else. Package list: 1 x manual coffee grinder