A good grinder should be built to last crafted from stainless steel and small enough to be held in one hand the rhinowares compact coffee grinder is designed to produce an adjustable consistent grind giving you a better cup of coffee its conical burrs avoid the dreaded wobble of most hand grinders and it comes with a protective travel bagyou can use the rhinowares grinder with any coffee maker but its compact size makes it an ideal partner for the aeropress theres even an aeropress adap