The GR8TR V2 Jar Body by Kannastor has it all including both Vape and Standard Easy Change Grinder plates, a 60 Mesh Stainless steel Easy Change Screen, top lid bonus storage and all the modularity that one could ever hope for. GR8TR Features. Limited lifetime warranty Premium food grade quality Engineered for a perfect grind Dimensions: height: 3.8 Diameter: 2.2 GR8TR storage lid Spare grinder plate strorage Bonus storage Anti-friction & residue rings Micro teeth Deep dish grinding chamber Easy change GR8TR plates Grounds storage & screen chamber Jar body design Easy-change screen Polished puck base How it Works. The GR8TR is modular by design, allowing the GR8TR to be assembled and configured in many ways - the choice is yours. Not interested in sifting? Remove the sifting chamber to create a perfect 3pc GR8TR. Convert your GR8TR into a Storage sifter and get the most out of your Herbs. Grind and Go, brake the GR8TR into a slim pocketable Storage Puck. No other Grinder offers many versatile configurations.