Description Norton A275 Sanding Discs 6 1 Hole, 6″ / 150mm, 150 Grit – Box of 100   Durable, high-performance sanding discs designed for fast cutting and consistent finishing. The 6 1 hole pattern ensures efficient dust extraction, while the premium A275 aluminum oxide grain offers long life and reduced clogging. Ideal for general sanding, surface prep, and woodworking.