Platinum Grinders Herb Grinder with Pollen Catcher - Large 2.5 Inch 4 Piece, Black Aluminum PRECISION MILLED from Ultra-Strength Aircraft Grade Aluminum for extra toughness, durability & best quality. Don't let the affordable price fool you! SHARP DIAMOND CUTTING TEETH for extreme efficiency and effortless grinding. Stainless Steel Mesh Screen filters very fine pollen into the big catcher. Pollen scraper included. POWERFUL NEODYMIUM MAGNETS for incredible closure, freshness & odor control. Thin Poly O-Ring for smooth grinding and less friction. SCRATCH RESISTENT Black Anodized Finish looks amazing and prevents flaking, pealing or smudge marks. PLATINUM WARRANTY & 100% No Hassle Money Back Guarantee! Your complete satisfaction is our top priority.