Made from heavier stronger alloy of black chrome, aluminum and nickel grinder to produce a chromium gunmetal finish.;2.5 Diameter x 2.0 Height - deep bottom lid for storage, and includes Stainless Steel Pollen catcher with scrapper.;Heavy duty and durable zinc 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