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Kannastor GR8TR Jar Body 4-Piece Grinder

Rated 5 out of 5 stars (3 reviews)

$ 75.00 Free Shipping In Stock

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About this Product

Product SKU: SK2J-GR8-BLU

If you're looking for a serious investment in your smoking lifestyle, consider the premium GR8TR Jar Body Grinder.

This latest innovation by RYOT soon became recognized as one of the best grinders on the market. This versatile grinder offers a modular system that allows you to configure it any way you want - as a full 4 piece, as a three-piece or as a slim storage puck. 

The grinder has a deep dish grinding chamber equipped with shredding micro teeth, and is built with medical grade aluminum. It's equipped with the patented Easy Change GRT8R Plate which sifts pollen and can be changed with different plate designs depending on your needs.

This gorgeous grinder is backed with a limited lifetime warranty, and measures 2.75 by 2.125 inches. Available in RYOT's signature colors - blue, black, silver and rose gold.

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5 Stars
"I absolutely love this grinder its definitely the best out there and I’m glad I never have to use a sh*tty grinder again 👌🏻🙏"

- Taylor Verified Buyer

All products on this site are intended for tobacco or legal dry herb usage.


2.75" x 2.125"


4 Piece




  • 4 Piece Grinder
  • Built In Stash
  • Clear Stash Window
  • Medical Grade Aluminum
  • Modular Design
  • Shredding Micro Teeth


Limited Lifetime Warranty

Kannastor provides a lifetime warranty on the teeth on their grinders. If your grinder ever breaks, contact us and we'll replace it.

Extended Warranty Coverage Available
Full product coverage beyond the Manufacturer's Warranty