Large Authentic Cali Crusher Ultra Premium Herb Grinder 4 Piece Black (CC-7-B) 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 Large 2.5" Wide , Color Anodized Black