Large Santa Cruz Shredder Silver Aluminum 4 Piece Grinder + Pollen Pick Bundle Dimensions: Diameter - 2 3/4", Height - 2". 7-Catch" thread design automatically prevents cross-threading. Silver 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.