Kannastor is a very recognizable name in the herbal grinder industry and the producer of the world’s most advanced grinders. Kannastor Grinders pride themselves on the quality products they make and the unique features that their grinders offer. For example… Kannastor offers a removable screen for easy cleaning and screen replacement. Unique drop through holes that aid in preventing excessive shredding of your herb. An extra-large storage capacity. Specially designed blades for a truly perfect grind, every time. And a super handy screen guard that assists with stress reduction on your screens. Whether you are looking for single chamber grinders, multi chamber grinders, storage containers or the GR8TR, Kannastor does it all.