One in one practicality: Grinding beans and a 350ml powder storage tank in one, freshly ground and fresh, no need for additional storage containers, making coffee production more convenient.Manual precise control of coarseness: adjustable grinding thickness, suitable for different brewing needs such as hand brewing and Italian brewing, allowing for easy control of coffee flavor.350ml large capacity: The glass powder storage tank has sufficient capacity to meet the drinking needs of multiple people, and the transparent design makes it easy to check the remaining amount.Material safety and durability: Glass jars are non-toxic and odorless, with good sealing performance, moisture resistance, lock fragrance, and are not easy to mix odors.Compact and easy to operate: With a lightweight body that doesn't take up much space, manual grinding consumes no electricity, making it easy to make fresh coffee for both home and camping.