• Non-Woven Hook & Loop Disc,Surface Conditioning Discs• Use the Bear-Tex Rapid Prep AO fine grit non-woven hook & loop disc with your right angle grinder to prep, blend, clean, detail and finish your metal surfaces. The Clean Bond resin technology means you produce smear-free finishes on cast, ductile and gray iron, welds, stainless steels, tool steels, aluminum, fiberglass, composites, carbon steels, super alloys and titanium. The disc features an extended life, 50 percent better performance and 20 percent higher cut rate than competitor discs due to its aluminum oxide abrasive grain coating and thick layer of resin bond.• Quality aluminum oxide abrasive grain coating provides up to 20% higher cut rate and 50% better performance than competitive products• Premium high-loft nylon fiber bonded to a strong nylon scrim backing allows a thick layer of resin bond and grain for extended life, added durability and stiffness• Proprietary Clean Bond resin technology guarantees smear-free finishes even on high nickel content alloys and reduces loading on aluminum and other soft metals• Fine grit for surface prepping, blending, cleaning, detailing, and finishing welds, stainless steels; tool steels; soft metals like aluminum; cast, ductile, and gray iron; fiberglass, composites, carbon steels, super alloys, and titanium• Waterproof and washable