Modeled after professional barista equipment and made of stainless steel. the Field Barista Coffee Grinder features an adjustable ceramic burr and produces a variety of coffee grounds. Take it camping or use at home for fresh coffee. Place coffee beans in the top container and turn the handle to grind. After use. the Field Barista Coffee Grinder can be folded into a carry case for compact storage. Pair the Field Barista Coffee Grinder with the Field Barista Coffee Drip or the Collapsible Coffee Drip for easy pour-overs.