This Vibes x Aerospaced 4-piece herb grinder is perfect for anyone who wants to grind it up and scrape out the pollen left behind. It is crafted with an anodized finish which helps prevents flaking. The Vibes 4 piece grinder comes with 30 razor-sharp teeth that are perfect for dry herbs. It has a great magnetic lid to close all the pieces together. The bottom of the Vibes grinder is a pollen catcher that catches all your ground herbs flakes.