PRECISE AND CONSISTENT GRIND: With a Ceramic Conical Burr， rust free， with wide range， one can grind from espresso to French pressADJUSTABLE GRIND SIZE: No need to unscrew the entire grinder in order to adjust the grind size. Simply turn the knob clockwise or counterclockwise in order to reach perfect size for any coffee drink such as espresso， drip， french press， cold drip， and otherSTAINLESS STEEL BODY: The coffee mill is made of high grade stainless steel which increase its durability.PORTABLE: The small size of the coffee grinder makes it easy to take it anywhere.DESIGNED FOR AEROPRESS: This grinder was specifically designed so that it could fit into an AEROPRESS and be taken while traveling