Avora Industrial High Quality Surface Conditioning Discs are excellent for removing surface material without cutting into the base material. Addresses discolorations, oxidation, weld splatter, adhesive residue, coatings, etc. Non Woven abrasive impregnated fibers clean, prep or finish metals evenly. Choose from Fine, Medium or Course Grade. Whether you need them Roloc compatible, hook and loop or with a strong fiberglass backing, Avora Industrial as you supplied. Don't waste time with a less quality product.