100 Pack 4.5" Black Hawk 120 Grit A/O Resin Fiber Disc Grinding & Sanding Discs

Grinding Wheels. Black Hawk Resin Fiber Discs are manufactured using premium Aluminum Oxide within a coat of resin bonding agent, atop a heavy-duty vulcanized fiber backing. By utilizing top performing abrasive grains Black Hawk Resin Fiber Discs are able to provide superior grinding performance and extended useful life.