Joe Herb - High Quality 4 Piece Herb/Spice Grinder - Rainbow Metal Classic 4 piece, 3 chamber design allows for grinding, storage, and filtration of pollen Made from high quality, heavy duty zinc alloy 52mm x 42mm in size, small & compact, easy for travel Magnetically sealed top along with a polymer 0-ring allows for smooth grinds and secure storage while traveling Bonus pollen scraper included