Cali Crusher OG 2" Clear Top 4 Piece Herb Grinder (Purple) 100% Authentic Cali Crusher Clear Top Grinder. 4 piece w/ screen. Made from Aircraft Grade Billet Aluminum. Stainless Steel Screen, O ring, Smooth Threads, Anodized, Neodymium Magnets. Size: 2 " wide, Color: Anodized Purple Comes with custom pollen scraper.