Spice Herb Grinder- Four Piece with Pollen Catcher - 2.5 inch - Zinc Alloy Heavy Duty and Durable ZINC ALLOY construction. SMOOTH GRINDING- CNC Metal Teeth for a Precise Smooth Rotation. Features a Strong NEODYMIUM MAGNET to keep the lid in place and the contents inside. Single Color One Piece Design. Each part is INDIVIDUALLY MACHINED from a Single Piece of Zinc Alloy. 4 Piece, 3 chamber design- Features a POLLEN CATCHER with a Pollen scraper included.