The KINGrinder K0 features an internal grind adjustment control for the stainless steel gear set, allowing you to fine-tune your grind size, with the ability to adjust by 18 microns for each different grind grade, which enables you to make precise and small changes in grind size allowing you to prepare all your favorite drinks. Features: Adjustment by 18 microns for each grind grade. Internal adjustment control. Stainless steel conical gear set (5Core Burr). Gear diameter: 38 mm. Hopper capacity: 25 - 20 grams. Aluminum coffee ground cup. Net weight: 580 grams.