The iconic Comandante C40 is a robust and precise manual coffee grinder featuring the Nitro Blade burr set. 
Included with the C40 MK4 are two "Bean Jar" bean containers. One brown glass and one clear Polymer Bean Jar - basically unbreakable. Both containers are tasteless, food safe and easy to clean with hot water. They each have a capacity of 40 grams of coffee.