Medium Santa Cruz Shredder Red Aluminum 4 Piece Grinder + Custom Pollen Pick Bundle Dimensions: Diameter - 2 1/8", Height - 2 1/8". Includes The Other Side Vapes Pollen Pick! 7-Catch" thread design automatically prevents cross-threading. Red Anodized coating offers superior protection from scratches & wear. Deep Knurled Grip Pattern makes it easier to twist the grinder. All Santa Cruz Shredders are covered by a lifetime warranty.