Grip (hook & loop) fastened with patented open weave, net structure for dust free sanding. The net yields greater efficiency than paper discs with holes or perforations. Eliminates clogging and pilling and ensures a long lifespan, while other highlights include excellent initial aggressivity, reduced edge wear in finer grits and a versatile range to suit any application. Grade P320 Size 2-3/4" Pack 10m Roll