2.5" GRAV 4-Piece Grinder


This is the yin to the yang of glass pipes. The Grav 4-Piece Grinder is a premium grinder with four separate stages for utility.  The blades are great for easy turning, a window is built in so you can see the status of your product, and the pollen catcher is great for getting the most out of your flower. 


  • Height: 2.5" Diameter: 2.25"
  • Unibody construction with CNC precision cuts.
  • Built-in polycarbonate observation window.
  • Anodized 6061-T6 Aerospace Aluminum.
  • Removable Magnetic Screen, and Metal Pollen Scoop.

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