Joe Herb - Crush Master Series 4 Piece Herb/Spice Grinder (Gold) Classic 4 piece, 3 chamber design allows for grinding, storage, and filtration of pollen Made from high quality, heavy duty zinc alloy 60mm x 42mm in size, medium sized grinder for larger grinds but still small enough for travel Magnetically sealed top along with a polymer 0-ring allows for smooth grinds and secure storage while traveling Bonus pollen scraper included