The 3M™ Trizact™ Hookit™ Foam Abrasive Disc removes fine sand scratches on painted surfaces to reduce the amount of time spent compounding. Three-dimensional mineral abrasive structures are distributed uniformly across the disc surface and wear evenly for consistent finishes, longer disc life and reduced material costs. Foam backed discs are part of the 3M™ Perfect-It™ Paint Finishing System.As part of the 3M Perfect-It Paint Finishing System, 3M Trizact Hookit Foam Abrasive Discs help reduce the time and material required for compounding, creating significant operating efficiencies during spot and large panel repairs.