Give your weld blending, rapid stock removal and deburring the high quality they deserve with the Merit Zirc Plus Z/A coarse grit TP (Type I) quick-change cloth disc. With a coarse grit perfect for use on 300 and 400 stainless steel, titanium and super-alloys, the disc minimizes heat buildup, giving it a long life when compared to other aluminum oxide and zirconia alumina discs. The zirconia alumina abrasive is self-sharpening making your cuts cooler while the Y-weight 2-ply polyester/cotton blend back makes these discs a durable option.