These Pulsar Metal Storage Grinders have magnetic tops, diamond shaped teeth, sifting screens, and pollen chambers. These pocketable grinders also feature a storage compartment in the base, separate from the grinding component. Raised grip edges make grinding and untwisting simple. Multiple color options available.Highlights:2 inches wide4 piece designAirplane grade aluminumSeparate storage chamber in baseSifting screen and pollen chamberScraping toolMultiple color options