ROOR® Grinder 4pc Medium BLACK

This ROOR medium 4-piece aerospace grade aluminum grinder is a step up from the rest. Coming in at 2.125" tall by 2.35" wide. This grinder is ½" large than the ROOR 4-piece Small grinder, it can accommodate much larger quantities of plant material, has a larger pollen basin, and a stronger magnet. The tooth design and threading pattern are one of a kind and make this product a true leader in the industry. This is our most popular grinder due to the size, cost, and quality.

  • ROOR 4-Piece Medium Black Grinder

Production/Shipping time 2-5 days.
Note: Actual colors may vary from the color on your screen due to monitor color restrictions. Glass pipes are regulary made out of transparent glass – except the customized colored options.


by Rachel Anderson, 07/01/2019
I hate that I am writing this, but, this is the worst functioning grinder I have ever used. The ONLY awesome thing about it, is how good it looks. I was expecting the same phenomenal quality and design as the company puts into their glass, ...
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