Non-woven synthetic fiber impregnated with abrasive grain for surface conditioning without damage to or removal of base material. Resists loading and heat build-upOffered in very narrow widths for use on tight radii and hard to reach applicationsFlexible yet extra durable splice method for resistance to breaking or cracking under severe stress, Brown (Coarse): Excellent for deburring and blending; for use on mill marks, tool marks, to create a smooth transition on surface profilesMaroon (General purpose): Excellent for blending /cleaning and reducing uneven edges on adjoining surfaces; removing castings, gaskets, and surface discolorationsBlue (Very Fine): Excellent for cleaning and finishing, reduce surface roughness, polish weld, or use to apply cosmetic grain or scratch patterns