This four-piece grinder is 2.63 inches tall and weighs 14.9 ounces, making is perfect for travel as it will fit comfortably in your hand or pocket. The interior of the grinder is separated into separate compartments: grinder, sifter and container. The grinder is .40 inches in depth and integrates razor sharp grinding teeth that will glide through the toughest of herbal blends. The sifter employs a mesh screen and is 1.10 inches in depth. The bottom or container portion chamber is .40 inches in depth and holds the sifter pick and catches pollen gathered. The interior and exterior of the grinder is made from aircraft top-grade aluminum that is anodized for a smooth finish and etched along the side for an easy grip. All of the compartments of the 4pc Space Case Grinder Large 89mm are screwed together securely. Designed to grind your favorite dry herb with ease, the 4pc Space Case Grinder Large 89mm will finely grind to the consistency desired. Just remove the lid, place your herbal blend in the base of the 4pc Space Case Grinder Large 89mm, place the lid back on and rotate left and right, then you’re ready to go. The 4pc Space Case Grinder Large 89mm is the perfect addition to every collection.