BPS Knives Sharpening Set 2 Stones is the perfect solution for camping, mountain expedition or forest survival camp. Thanks to it, your knife will always remain sharp and ready for further action. BPS Knives Sharpening Set 2 Stones is a compact package containing two sharpening stones (gradation 240 and 800), polishing compound (5-3 microns) and a leather strap for smoothing the cutting edge. The whole is packed in a tasteful, nylon pouch.