Herb grinders and weed grinders are excellent for grinding up all sorts of flower and herbs. Many grinders are multi staged with 2-5 pieces, often containing a grinding layer, a storage layer, and a kief storage layer under a metal screen. We offer several cool weed grinders, including manual crank grinders, classic twist grinders, electric grinders, weed crushers and more! We have all the popular sizes of grinders from 40mm, 50mm, 63mm and 100mm in diameter. If you need to buy a high quality or cheap grinder online, you found the spot!