Storetech Transparent Lip Colorful Aluminum Alloy Herbal Herb Tobacco Hand Crank Grinder Crusher 4-layer 2.4&rdquo; Diameter with Pollen Catcher (purple-green-white-blue) HAND CRANK DESIGN: A hand crank grinder gives you a smooth grind with better control, help you grinder your tobacco with effortlessness. 4 piece, 3 chamber design - A mesh screen between automatically collects pollen as you grind. The bottom compartment can be used to store your ground herb or to hold and collect pollen. 2.4" Diameter x 2.0" Height Herb Grinder made of durable premium grade aluminum Alloy material. Powerful with 6 pieces blades makes your grinding more consistent and smooth. COLORFUL APPEARANCE: Storetech tobacco grinder will make a colorful impression for you. The clear top lets you enjoy the process of the grinding. Shipped from China, Free shipping often takes 7-15 days.