Bargain Shredding Machine. The 60mm 2-Piece Magnetic Acrylic Grinder is the perfect grab-and-go accessory for anyone looking to prepare their herbs quickly and efficiently. Crafted from durable, lightweight acrylic, each grinder features precision-molded teeth designed to produce a consistent, fluffy grind with minimal effort.60mm 2-piece grinder with strong magnetic closureDurable acrylic construction with precision-cut grinding teethSmooth, effortless rotation for a consistent grind