UNISHOW Crank Top 5 Parts (Pcs) 2.5'' Diameter Metal Space Aluminum Alloy Tobacco Herb Spice Grinder with Scraper (green) Crank Top 5 Parts (Pcs) Tobacco Herb Spice Grinder with Scraper metarial: Space Aluminum Alloymeasure: 3''(H) X 2.5''(D) X 7 oz come with a free pollen scraper buy from UNISHOW and save your money!