3M(TM) Scotch-Brite(TM) Between Coats Disc 8447, 13 in, 10 cs, Maroon Very Fine Strips fasten to pads by hooking into the pad for positive driving without danger of adhesive transfer. Conforms to uneven surfaces. Powders most dry finishes, reduces swirl marks and grain raise. Use on water-based, solvent-based finishes.