This anodized aluminum herb grinder from Cali Crusher is the ultimate in new herb grinder technology. Every element of this aluminum herb grinder has been analyzed and improved. Due to the anodized aluminum, there's no need to worry about the blade plate coming loose and just spinning in place. This classic design uses diamond cut teeth to crush your herbs into a perfectly blended fluffy consistency, keeping your fingers clean and your bowls evenly distributed. Hands down one of the best grinders you'll find!