Cali Crusher OG 2" Clear Top 4 Piece Herb Grinder (Blue) 100% Authentic Cali Crusher Clear Top Grinder. 4 piece w/ screen. Made from Heavy Duty aircraft grade billet aluminum. Stainless Steel Screen, O ring, Smooth Threads, Anodized, Neodymium Magnets. Comes with custom pollen scraper. Size: 2" Wide Color: Anodized Blue