The Rhino Coffee Gear Hand Grinder is a great solution for grinding coffee on the go; for travel, work, or even just at home. With a smooth grinding motion, quality materials, and a convenient 42 gram capacity, the Rhino Hand Grinder is a perfect choice for manually grinding your favorite coffee beans. Features: New Sleek design Quality stainless steel housing makes cleaning easier and reduces static New style handle and hex lug configuration improves handle integrity while grinding Compatible with aeropress/aeropressGO. Tested and certified as food safe by an independent laboratory providing peace of mind Conical ceramic burrs stay sharp longer, don't rust, and are easier to clean A simple adjustment method for a range of grind types Ample capacity - can hold up to 42 grams of coffee beans A convenient and protective carry bag Smooth grinding motion Superior particle size distribution