The Rainbow Concave Grinder is a 4-piece metal grinder designed for grinding dry herbs. Its unique concave design ensures easy grinding and maximum storage capacity. The grinder has a smooth finish and a rainbow color that adds to its aesthetic appeal. Its 7 features include:

  • 4-piece grinder with a kief catcher
  • Durable metal construction
  • Easy-to-use concave design
  • 2-inch diameter for easy grinding
  • Strong neodymium magnets keep the lid securely in place
  • Smooth finish for easy cleaning
  • Rainbow color for a vibrant and stylish look


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