Versatile aluminum oxide abrasive for aggressive cut and longer life Durable Y-weight, 2-ply polyester backing for a long life and faster cut rate Good choice when initial price is the primary purchasing consideration For weld blending, stock removal, and deburring aluminum, stainless, carbon steels, titanium Made with a premium aluminum oxide abrasive, the affordable Merit TR (Type III) quick change cloth disc offers an aggressive cut when weld blending, removing stock and deburring stainless steel, hard carbon steel, aluminum, brass and other soft metals. The back is crafted from Y-weight two-ply polyester and fused with a layer of coarse grit that ensures durability and longevity on moderately demanding applications. A good choice when price is a main consideration. Package of 100.