Grinder Batman Bat Signal Logo D1 Chrome Silver 2.5" Aluminum Magnetic Metal 4 Piece Herb & Spice Heavy Duty

4 piece Aluminum Metal grinder. Contains approx. Twenty-Six sharp teeth in the main grinding chamber. The stainless steel micro mesh screen only allows pollen to pass through. The image is water proof and will not fade over time. Magnetic grinding compartment includes a mesh screen that automatically collects pollen as you grind. The bottom compartment can be used to store your ground herb or to hold and collect pollen. Our grinders are fairly simple tools and easy to use: 1. Place your herbs or Spices onto the teeth towards the outside rim. (Material should be dry enough for grinder to work properly. 2. Close and rotate the lid approx. five times in each direction. 3. Gentley tap to get the ground material out. 4. After a few uses fine material will collect on the bottom.