Check the listing for details. Starcke Premium 11 Inch Non Woven Surface Conditioning Discs. Condition: New. Listed at 46.10 USD. 11 Inch ' 5 or 25 Pack ' Grit Ultra Fine/Very Fine/Super Fine/Polishing In standard sandpaper the maroon color is equal to 320 grit, grey color is equal to 800 grit, gold color is equal to 1200 grit and white color is used as a polishing disc. Premium non-woven synthetic fiber for non-scratch cleaning Exceptional results in dry sanding finishing applications in solid surface countertops, autobody, marine, paint, primer, plastics, metal and fiberglass Professional grade, German quality, stocked & shipped from the US. Starcke is family owned with over 100 years of experience in manufacturing abrasives. In standard sandpaper the maroon color is equal to 320 grit, grey color is equal to 800 grit, gold color is equal to 1200 grit and white color is used as a polishing disc.