Chromium Crusher Gold 4 Piece Tobacco Spice Herb Grinder - Pick Your Size (2.5) Size: 2.5 Model: (Home & Kitchen) Includes Limited Lifetime Warranty 2.5 Diameter x 1.75 Height, features newest version of circular teeth design which gives you a better grinding experience and efficiency Heavy duty and durable aluminum alloy construction - Pollen Scraper Included Durable ring included designed to for an easy and fast grinding experience 4 piece, 3 chamber design - Mesh screen for fine pollen filtering