3M™ Standard Abrasives™ Quick Change TS Buff and Blend GP Disc 840312 is made from tough, resin-reinforced nylon fiber with abrasive grain. It is an ideal choice for general-duty applications as it provides a high cut rate while producing consistent finishes. It blends minor surface imperfections, handling marks and coated abrasives secondary burrs. The center hole discs may be ganged on a shaft and used as a wheel. It resists loading, which means no metal contamination to the work piece. The Quick Change TS System is the most popular style for safety, productivity and fast disc changes. Change discs by simply twisting to unlock the disc from the holder pad. 3M™ Standard Abrasives™ Quick Change TS Buff and Blend GP Disc 840312 is made from tough, resin-reinforced nylon fiber with abrasive grain. It is an ideal choice for general-duty applications as it provides a high cut rate while producing consistent finishes. It blends minor surface imperfections, handling marks and coated abrasives secondary burrs. The center hole discs may be ganged on a shaft and used as a wheel. It resists loading, which means no metal contamination to the work piece. The Quick Change TS System is the most popular style for safety, productivity and fast disc changes. Change discs by simply twisting to unlock the disc from the holder pad.