Tsunami Grinder - 63mm - PurpleIntroducing the Tsunami Grinder! The Tsunami Grinder has a unique bowl shape, which draws your herb or tobacco into the chamber more efficiently. It features 28 razor sharp curved diamond teeth that will shred your herb like you've never seen it before. 63MM 4 piece Herb Grinder Kief Scraper Smooth Grinding Experience Mesh Sifting Screen for Fine Pollen Filtering Pollen Collection Chamber on the Bottom Diamond Cut Teeth for Precise Grinding Action