Zirconium oxide flap disc for use with most metals, including stainless steel Comply with European safety standards No. EN 13743 Ideal for sanding contoured metal surfaces, blending welds, deburring and finishing castings Ideal for sanding contoured metal surfaces, blending welds, deburring and finishing castings Comply with European safety standards No. EN 13743 Zirconium oxide flap disc for use with most metals, including stainless steel