High grade air craft aluminum herb grinders produced in California. Mendo Mulchers knurled edges provide you with a nice grip. Easy to clean - soak in cleaner (rubbing alcohol recommended) - thoroughly rinse off and allow to dry. You cannot go wrong with a Mendo Mulcher Grinder. These grinders are an essential tool for your favorite herbs and spices, designed to be durable and long-lasting. Plus, the custom-designed blades provide an even, consistent grind, every time.