This medical grade anodized aluminum herb grinder from Santa Cruz Shredder is the ultimate in new herb grinder technology. Every element of the shredder has been analyzed and improved, from the revolutionary tooth design and thread pattern to the rare-earth magnet used in the lid locking system. The superior textured handle makes this shredder a favorite among patients who suffer from hand or wrist pain. The base is designed for finger scooping. Diameter 2 1/8 inch (5.4cm), height: 1 13/16 inch (4.7cm)