ANV Knives pocket sharpening stone for quick sharpening of the dull cutting edge of a knife, pocket knife, ax, machete, etc. A wide selection of knives can be found HERE. There is a sharpening stone with a 220 grade. The set includes a handy kydex organizer closed with a drawstring, a plastic spring clip. The whole small size can be easily carried in a pocket, backpack or a larger organizer. A great set for outings where you need to quickly sharpen your tool.