Santa Cruz Shredder 4 Piece Medium New (Green) Made in the USA. The medical-grade anodized aluminum herb shredder from Santa Cruz Shredder is the ultimate in new herb Shredder technology Every element of the Shredder has been analyzed and improved upon, from the revolutionary tooth design and threading pattern to the rare earth magnet used in the lid closure system The superior textured grip makes this Shredder a favorite among patients who are suffering from hand and wrist pain