Mazzer Super Jolly TimerSuper Jolly Timer is a grinder doser with a timer switch from Mazzer that uses flat blades and is suitable for medium volume operations. The patented stepless micrometrical grind adjustment allows for precise grind settings. The dosing hopper holds 280 grams of ground coffee with dosing levels adjustable from 5. 5 grams to 9 grams. The bean hopper capacity is 2. 7 pounds.