The GR8TR® Grinder (Easy Change Screen/Chamber Not Included) is modular by design. When it comes to assembling and configuring your GR8TR®, the choice is yours. You can also break it into a slim pocketable Storage Puck. Grind and Go with the GR8TR® from Kannastör. Pairs well with a RYOT Solid Top Screen Box, and a Brandy Water Pipe. Specs Dimensions: 2.25 inches (H) x 2.125 inches (D) Features Limited Lifetime Warranty Premium Food Grade Quality GR8TR® Storage Lid Spare Grinder Plate Storage Anti Friction and Residue Rings Micro Teeth Deep Dish Grinding Chamber Easy Change GR8TR® Plates Polished Puck Base