It’s a wheelie grinder so the handle helps rotation very easy and the scraper helps clean the leftover herbs. The grinder is suitable for you to cut and flutter the dry herbs. In the bottom catcher, you can collect fine particles with the provided scraper that helps reduce waste. These herb grinders are made of durable zinc alloy metal. It is lightweight yet durable. The sharp metal teeth can cut through your spices with minimal effort The lid is magnetized and can helps hold in place and ensures tight closure during grinding. Textured grooves on top and bottom layers enable you control the fineness of the grind. There are up to 12 sharp curved teeth on the top layer and 12 sharp curved teeth on the second layer for crushing dry herbs smoothly and efficiently.