GR8TR

"Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day."

- OB Gold Author of Seven Steps to Marijuana Mastery

Meet our signature GR8TR: the most versatile grinder on the market. Not only is this iconic smoking accessory engineered to deliver a signature smooth grind, but it’s modular by design. In other words, you can configure and assemble the GR8TR however you want, to Grind and Go.

The All-New GR8TR V2

An update on our classic GR8TR model, the V2 features food-grade anodized aluminum, interchangeable grinder plates, anti-residue and friction rings, and our signature versatile design.

What makes the GR8TR so adaptable? In addition to delivering the smoothest ground herb, this iconic Kannastor accessory can be easily broken down into a storage puck for easy traveling. No other grinder on the market has this many versatile configurations.

  1. GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue GR8TR Jar Body Grinder in Matte Blue  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR ...

    $75.00

    GR8TR Jar Body Grinder in Matte Blue

    $75.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR ...

    Learn More >>>
    Add to Wishlist
  2. GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue GR8TR Solid Body Grinder in Matte Blue  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR ...

    $69.00

    Out of stock

    GR8TR Solid Body Grinder in Matte Blue

    $69.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR ...

    Learn More >>>

    Out of stock

  3. GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue GR8TR Grinder in Matte Blue  

    Kannastör® GR8TR® V2 Series Grinder in Matte Blue The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    $59.00

    GR8TR Grinder in Matte Blue

    $59.00

    Kannastör® GR8TR® V2 Series Grinder in Matte Blue The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    Learn More >>>
    Add to Wishlist
  4. GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black GR8TR Jar Black  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    $75.00

    GR8TR Jar Body Grinder in Matte Black

    $75.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    Learn More >>>
    Add to Wishlist
  5. GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black GR8TR Black  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    $69.00

    GR8TR Solid Body Grinder in Matte Black

    $69.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    Learn More >>>
    Add to Wishlist
  6. GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black GR8TR Vape Black  

    Kannastör® GR8TR® V2 Series Grinder in Matte Black The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    $59.00

    GR8TR Grinder in Matte Black

    $59.00

    Kannastör® GR8TR® V2 Series Grinder in Matte Black The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    Learn More >>>
    Add to Wishlist
  7. GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold GR8TR Jar Rose Gold  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    $75.00

    GR8TR Jar Body Grinder in Rose Gold

    $75.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    Learn More >>>
    Add to Wishlist
  8. GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold GR8TR Rose Gold  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    $69.00

    GR8TR Solid Body Grinder in Rose Gold

    $69.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    Learn More >>>
    Add to Wishlist
  9. GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold GR8TR Vape Rose Gold  

    Kannastör® GR8TR® V2 Series Grinder in Rose Gold The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    $59.00

    GR8TR Grinder in Rose Gold

    $59.00

    Kannastör® GR8TR® V2 Series Grinder in Rose Gold The GR8TR® V2 5pc includes both Vape and Standard Easy Change Grinder plates, top lid bonus storage and all the modularity to break it down for the “On the Go” ...

    Learn More >>>
    Add to Wishlist
  10. GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver GR8TR Jar Silver  

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    $75.00

    GR8TR Jar Body Grinder in Matte Silver

    $75.00

    "Breakthrough design and technology. I have a grinder collection that most people would dream of, but the GR8TR is what I use every day,” OB Gold, Author of Seven Steps to Marijuana Mastery. No other grinder is this versatile. The GR8TR has ...

    Learn More >>>
    Add to Wishlist

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