Flower by Edie Parker Colorblock Threadless Magnetic GrinderCOLORBLOCK GRINDER WHAT AM I? A super stylish 4 piece herbal grinder made from metal with absolutely no threading of any sort. Square in shape with strong magnets at each level allowing you to pull it apart as needed. A threadless grinder is not common and this feature helps diminish the build up of gunk. This is a grinder with unique teeth, shaped like mini pyramids that will shred herbal material. Expect a course fluffy and effortless grind. Flower