HOW FAST DOES IT GRIND? - That depends on the person grinding (of course!) however you can expect to grind about 38 grams of coffee to pour over level fineness in 1 min 20 sec. Stated by approximate volume that is about 6 tablespoons of whole beans ground in 1 min 20 sec (enough to serve 2 people)STAINLESS STEEL BODY: The coffee mill is made of high grade stainless steel which increase its durability. Stainless steel body of grinder，own a sleek apearance，and can increase its impact resistant.PORTABLE: The small size of the coffee grinder makes it easy to take it anywhere. It is easy to operate.The grinder is slim for easy gripping and the crank handle is long enough to easy crank. IS IT LOUD? - No， it's really quite tame. You'll find it MUCH quieter than grinding with an electric grinder and it's even better than some of the other popular manual grinders.WILL I LOVE IT? - You love your coffee which means...your coffee grinder should make you happy as well. If it doesn't or you have some problem don't worry since we back your purchase with great no-quibble， customer service because we're serious about making sure you're pleased.CAN I ADJUST THE GRIND SIZE AND IS IT CONSISTENT? - Yes， the grinder adjusts quickly and easily to grind for multiple brewing methods such as: espresso， pour over， french press/plunger， percolator or Turkish. You'll be able to get a consistent grind quality that will improve the taste of your coffee. The Grinder can adjust the consistent grind size，the grinder with a ceramic conical burr，rust free，you can adjust it quickly and easily to grind for multiple kinds of espresso，french press，turkish coffee and so on.Just simply turn the knob clockwise or counterclockwise to reach the grind size. ADJUSTABLE 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 other