Honing Compound PA70 for Use with Tormek Sharpening Grinders T-7, T-4, and T-3, and also other leather strops. Creates Razor Sharp Edges on Knives and Tools. Premium quality Honing compound Abrasive Averages 3 Macrons (6000 - 8000 Grit) for Honing Polishing and Buffing Creates razor sharp edges for Knifes or Tools For use on Leather Strop Wheels for final edge dress 70 g / 2.5 oz of paste per tube