Armed with a high quality, heat treated and toughened P-graded aluminum oxide abrasive, A270 fine grit paper PSA disc rolls cut fast and aggressively while producing consistent finishes. Use them for fine grit sanding and finishing a variety of soft and hard materials, including aluminum, super alloys, fiberglass, composites and hard and soft woods. The fiber reinforced, latex saturated, B-weight backing stays flexible while providing excellent tear-resistance and the non-stearated coating minimizes contamination for particular suitability in prime automotive paint applications. A hook and loop back makes mounting and removal quick, clean and easy.