General description Manual coffee grinder made of high-quality metal, which is non-toxic, odorless, rust-proof, and corrosion-resistant. This portable grinder is perfect for outdoor activities such as camping, hiking, and backpacking, as it requires no batteries or power supply. Technical specifications Material: Metal Color: Gray Measurement allowed error: +/- 1-3 cm Usage Can be used to grind coffee and other materials. Other information Each compartment can be removed for easy cleaning; simply wash with soapy water, rinse, and dry thoroughly. Features a long handle for an ergonomic grip, making it comfortable to use and saving labor and time.