P-graded, ceramic aluminum oxide abrasive ensures fast cut rate and laser-cut spiral, vacuum hole design maximizes dust extraction for a clean work environment and less contamination; delivers cool, fast, consistent cut rate with a long life Unique fiber reinforced, flexible D-weight latex saturated backing provides 50% - 60% improvement in tear strength while retaining flexibility Water-based, non-pigmented stearate No-Fil coating and open coat provide maximum load resistance with no color transfer to work Best choice for the most demanding fine grit sanding and finishing applications; hook and loop back provides easy disc mounting and changing