Fine tuning with ease: Macro and Micro adjustments are instantly and repeatably achievable, with 230 distinct settings of grind. 3 user programmable buttons allows delivers precise dosing. 54 mm ceramic flat burrs produce accurate grinding. The speed of grind is truly professional with 1.5 grams/sec for espresso and 2.5 grams/sec for french press. This is an ideal grinder for all types of grind and particularly ideal for those who need to switch their grind from from espresso to french press to drip and back to espresso. There is nothing like it on the market!