Cali Crusher&reg; CLEAR TOP 4 piece herb grinder Red (CC-1-R) 100% Authentic Cali Crusher Brand 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