Chromium Crusher 2.5" 4 piece Coffee Spice Tobacco Herb Grinder with - Pick Your Grinder (Black Aluminum w/Mill Handle) Chromium Crusher Premium Herb Grinders - A Registered Trademark Brand Size: 2.50" Diameter x 2.10" Height Aluminum Construction w/ Mill Handle 4 Piece, 3 Chamber Design - Teflon Ring Included for Fast & Easy Grinding 100% Money Back Satisfaction Guarantee with Limited Lifetime Warranty*