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.


A Grinder Crafted from Premium Materials

What is our secret to delivering the perfect grind? Not only does the GR8TR come equipped with our micro teeth design and deep dish chamber, but they’re always made from high-grade aluminum. Each model comes with a limited lifetime warranty because they’re built to last.

Available in rose gold, matte silver, and black and in various sizes.



All Kannastor® Grinders are backed by a Limited Lifetime Warranty against manufacturer defects, including broken teeth for any reason.


Kannastör® Grinders are made from 60/61 hardened aluminum to ensure maximum durability and performance for as long as you own your grinder.


All Kannastör® aluminum parts are chemically bathed and anodized, then closely inspected to eliminate any potential impurities. When it comes to your health and safety, Kannastör® is a brand you can trust.


Kannastör® has always been known as the top quality grinder identifiable by it's trademark silver body and black top. Our team of engineers and designers are constantly working to ensure our grinders perform at the highest possible level. Each new design and feature goes through a series of strength, functionality, and performance testing before it finally goes into production. All customer feedback is recorded and immediately passed along to our engineers for consideration in new designs.


Each Kannastör® grinder is inspected by hand to ensure you receive our highest quality - guaranteed!