PRECISION MILLED -- Grinders Are Made From Aircraft Grade Anodized Aluminum On CNC Machines For A Perfect Fit And Finish And Enduring Durability. Ultra smooth grinding, 4 PIECE, MASSIVE 2.2" diameter and sitting 2.0" TALL grinder. Shreds a full load of herbs in no time with its premium designed razor sharp teeth, creating the perfect fluffy, even grind. 25 SHARP DIAMOND CUTTING TEETH -- Forty Nine Specially Designed Teeth For Optimum Grinding Power - Thirty Two Precisely Placed Grinding Holes Guarantees The Best Grind, Extreme Efficiency And Effortless Grinding. Shred your herbs and spices effortlessly, catching very fine pollen via the mesh screen filter. This durable grinder with a powerful magnetic lid means no spillage, keeps your herbs fresh and odors in the grinder. STRONG NEODYMIUM MAGNETS for incredible closure, freshness & odor control - No Danger Of Spillage MAGNETIZED LID holds cap on tightly so your ground herbs won't spill.