The Accusharp 027C Diamond Pocket Stone is a versatile, dual-sided sharpening tool. One side features a 320-grit diamond surface for aggressive sharpening processes. Conversely, an 800-grit diamond surface is present on the other side for honing and finishing tasks.In addition to these features, this pocket stone includes a groove specially designed for sharpening various hooks and darts. To facilitate its transport and accessibility, the AccuSharp Diamond Pocket Stone comes with a specially designed carrying pouch. This pouch is equipped with a built-in belt loop for added convenience.