Our 3M™ Utility Cloth Sheet 314D features a closed coat aluminum oxide abrasive bonded to a durable cloth backing suitable for blending, cleaning, contour finishing, deburring and rust removal on all metals and paints. - It is ideal for multiple metalworking applications on both ferrous and non-ferrous metals: deburring, blending and repairing metal finishes, rust or other contaminant removal, as well as surface preparation for paints and coatings.