Chromium Crusher Zinc or Aluminum 2.5'' 4pc Tobacco Spice Mill Handle Herb Grinder (Aluminum Black) 2.5" Diameter x 1.90" Height Durable anodized aluminum construction for an ultra smooth finish Plastic ring included designed to for an easy and fast grinding experience Clear top with mill handle 4 piece, 3 chamber design - Mesh screen for fine pollen filtering and included pollen scraper