Mount this Merit High Performance AO fine grit steel shank micro-mini flap wheel on your die grinder for a good fine grit choice for final surface blending. Made with a premium aluminum oxide blend abrasive, the wheel has an excellent cut rate during finishing, as well as a long-lasting product life. Heavy cotton and polyester blended flaps give the mini flap wheel extended durability, superior wear resistance and conformability. Enjoy chatter-free finishes and excellent balance during grinding thanks to this wheel's integrated steel shank design, which also makes mounting and removing the wheel simple on tools with a collet design.