SharpStone Grinders are the creators of world famous, original, authentic, and patented grinders. SharpStone is on a mission to be the most affordable quality grinder that your herb has ever seen. Having been in the grinder game for quite some time, SharpStone offers Acrylic Grinders, Clear Top Mill Grinders, and even their special Vibrating Grinder constructed from premium aluminum. Each grinder that SharpStone makes uses razor sharp grinding teeth, comes in a variety of colors, and offers a fantastic design. With such high quality, you can expect your SharpStone grinder to last a very long time. See some of their amazing products below.