Manual Coffee Grinder with Ceramic Burr by Cozyna, Coffee Bean Grinder, Stainless Steel - Aeropress Compatible - Original PRECISE AND CONSISTENT GRIND: Regardless if you are grinding for french press or aeropress, the ceramic conical burr coffee grinder helps to grind the coffee beans in a uniform size. Unlike blade grinders, this manual conical burr grinder will provide you with much more control over your grind. ADJUSTABLE GRIND SIZE: Unlike blade coffee bean grinders, the Cozyna Travel Manual Coffee Grinder contains a ceramic conical burr which gives you the option to adjust your coffee whole bean grind size. Simply turn the knob clockwise or counterclockwise in order to reach the perfect size for your specific coffee drink. PORTABLE: The Cozyna coffee bean grinder was specifically designed to fit into an aeropress making it easy to take with you while hiking, camping or on vacation. This is the best coffee grinder for travel. It is so compact it will take up minimal space in your backpack. DESIGNED FOR AEROPRESS: This hand coffee grinder was specifically designed so that it could fit into an AEROPRESS and be taken while traveling RUST FREE: This burr coffee grinder is made of high grade stainless steel which gives it a modern look, but most importantly increases its durability. Due to the ceramic conical burr, and the sleek stainless steel finish, there is no need to worry about damaging rust. EXCLUSIVE LIFETIME WARRANTY: This manual coffee grinder comes with a lifetime warranty. Buy with confidence and get your hand coffee bean grinder replaced, no questions asked, if anything happens.