Easy storage and portability Compact design keeps the coffee reference card and grind measuring tool together for convenient storage and travel use at home, in the office, or on the road. Simple reference tool The small black card provides an easy to read guide for grind sizes. It works with the coffee size measuring tool and the coffee ground measuring rulers for quick, reliable guidance. Grind adjustment for your brew Use the grind size adjustment to match your brewing preferences. Includes a grind size indicator and a grind guide card to help you select the right setting fast. Grind for consistent flavor Adjust the grind size to suit your taste and brew method to achieve a cup you enjoy every time. Comes with a coffee grind size guide card and a coffee grinding measurement card. Use scenarios At home: switch between drip, pour over, and other methods by consulting the grind size guide and adjusting your grinder accordingly. Office or travel: reference the compact cards and measuring tools to dial in grind settings on the go. Trying beans: compare grind sizes with the measurement cards to discover the setting for different beans.