Complete demanding medium grit applications, even on hard-to-grind alloys, with this SG R981 medium grit cloth portable in-line belt, which features a next-generation seeded gel ceramic alumina abrasive. This abrasive pairs with a lubricating grinding-aid coating for cool cutting and an aggressive cut rate with minimal loading and burn-free grinding of heat-sensitive materials. A waterproof Y-weight polyester cloth backing provides good body retention, improved grain adhesion and minimal edge fray to give the belt a long product life and consistent results.