Enjoy an easier grinding and smoking experience when you utilize a precision herbal grinder form ERGO! Fitted with ergonomically designed lids that make shredding your favorite legal smoking herbs effortless, ERGO crafts high-quality grinders that will become your new favorite accessory. Made of durable aircraft grade aluminum with diamond-shaped teeth that will easily shred your herbs, you can get the perfect consistency for your smokes every time. These grinders come with a lifetime manufacturers warranty that makes them the perfect piece to add to your collection for longterm use!