3M 777F AB80511 1 1/2 No Hole 120 Grit Ceramic Aluminum Oxide Roloc Abrasive Disc 7000120352

3M Roloc Discs 777F provide a fast, efficient method for grinding, light grinding, blending, leveling and finishing. This product features a grinding aid which enhances performance on stainless steel and other exotic alloys and allows for cooler running. Discs are made of a ceramic aluminum oxide blend and have a cloth backing for durability. Recommended in offhand and pressure grinding on all exotic metal alloys. They lock securely in place with just a half twist – another half twist and they’re off.