Two Methods of Adjustable Nut Grinding, the portable coffee grinder nut can freely adjust the thickness of the grinding powder, the clockwise rotation of the nut, plus the grinding powder is fine, counterclockwise rotation, thicker. (Please do not tighten by turning clockwise) With the ceramic grind core, the ceramic burrs do not transfer heat, and will not change the flavor. Grip Made of Stainless Steel The handle of ceramic coffee grinder is made of stainless steel, comfortable to hold, durable and non-slip.And the length ratio is designed to be reasonable, so it is easy and effortless to grind, easy to enjoy the pleasure of grinding the hand. Coffee Powder Capacity The coffee powder capacity of the grinder is 36 g, suitable for 1 3 people. Very suitable for family trips. And the crank grinder comes with a cleaning brush, which can be easily cleaned without washing water. Package Includes 1x Zubita Caf Manual Grinder, 1x Cleaning Brush, 1x Spoon, 1x Manual, 1x Packing Box. Do not hesitate to contact us if you have any questions after the purchase, we will get back to you as soon as possible.