Precise and Consistent Grinding - The hand coffee grinder has adjustable ceramic burrs mounted on the Sprint that allow for very even grinding. These burrs do not transfer heat and shave the coffee bean to improve the taste, instead of cracking them like knife sharpeners. GOOD QUALITY AND DURABLE - This manual coffee grinder is made of food grade stainless steel. This material is non-toxic, odorless, rust-free and corrosion-resistant. The Ceramic Burr ensures lasting and good results when grinding Coffee beans. COMPACT - The compact design of our coffee grinder takes up very little space and the ergonomic handle is easy to use. When you are camping, hiking, traveling or on business, you save more space in your backpack. QUIET - The coffee grinder can effectively avoid the noises of the electric grinder by over 90% and create a calm atmosphere. You will never worry about disturbing your loved ones dreams in the morning. The coffee grinder is made of food grade stainless steel which is more durable than plastic or glass. Wear-resistant ceramic burrs ensure a longer service life. All parts are removable, which means that dead corner residues can be cleaned further. Let it dry thoroughly before assembling.