An abrasive tool includes a rotatable hub from which extends a bundle of plastic abrasive monofilaments. The bundle has a high filament count and each filament includes a substantial amount of abrasive uniformly entrained therein. After the bundle is secured to the hub, the tool is placed in a mold completely...http://www.google.es/patents/US5895612?utm_source=gb-gplus-sharePatente US5895612 - Method of making abrading tools