A premium 3M ceramic grain Roloc disc constructed on a YF weight, water resistant polyester cloth backing with a laminated cloth for added durability. Features grinding aid for cooler grinding. Precision-shaped abrasive grain. 2X life. Fastest cut. Cool running. Fewer edge failures. Convenient quick attachment system. Use wet or dry. Complete carbon steel and stainless steel solution. Average up to 30 percent faster cutting on hard-to-grind metals than the next-best competitive belt. Lasts up to 4 times as long as conventional ceramic aluminum oxide belts. Cuts cooler - diverts heat from the work piece and belt to the swarf. Helps eliminate burnishing and heat stress. Open coat. Converted form: Roloc disc. Equipment - machines: disc sanders. Premium position. 60 Grit. 25000 rpm. Orange color. Attachment type: Speed-Lok TR Quick-Change. 2" Diameter.