Built for true coffee enthusiasts and specialty coffee connoisseurs, Minimal Portable Hand Coffee Grinder is a robust high precision hand coffee grinder with high performance stainless steel burr set design. Minimal Portable Hand Coffee Grinder has refined the geometry and structure of the conical blade burr set to get the grind performance they were looking for and the particle distribution which works best with brewing fresh ground specialty beans. The collapsible lower body compact design makes it much easier for traveling, and you can make your own cup of coffee anytime and anywhere. Features Durable cast aluminum body Ergonomic work flow for a good coffee grind Precision adjustment system Entirely metal - live without plastic Specifications Diameter: 60 mm Height: 185 mm Height Collapsed: 150 mm Weight: 730 g Capacity: 40 g Burr Material: SUS420 Burr Diameter: 40 mm Burr Hardness: 56-58HRC Materials: Stainless steel and aluminum