3M Utility cloth roll 314D desired length of the strip can be torn from the roll for a specific application. Most grades have a light, J-weight cloth backing that provides the flexibility needed to conform to circular edges, angles or other contours. Rolls in grades P50 or P60 have a slightly stiffer X-weight backing suitable for more coarse sanding applications. Cloth remains durable even when bent or rolled, without tearing or shelling, but strips can be torn by hand when a smaller piece is needed, without. - 3M Utility cloth roll 314D provides lightweight cloth sanding strips used for hand sanding in many different applications. Constructed with aluminum oxide abrasive, our utility rolls come in a range of grades for common applications such as deburring, blending and repairing metal finishes, rust or other contaminant removal. Aluminum oxide is a popular choice among industrial professionals because of its fast cut-rate and long life compromising the sanding surface.