Premier Zirconia Alumina Resin Fiber Discs, Ceramic, 5 in, 36 Grit, 13000 rpm

Features: Ceramic abrasive provides unequaled life and values | Heavy Y weight polyester backing provides excellent durability and grain adhesion | The grinding aid produces longer life and cooler cut | Ideal for heavy-grinding of welds, gates, risers and parting lines on castings and carbon steels | A particularly good choice for stainless steel and other hard-to-grind materials