For fast, aggressive cutting action on deburring and surface blending applications, choose the Merit® high performance AO medium grit threaded shank mini flap wheel. A premium aluminum oxide blend abrasive combines with heavy cotton and polyester flaps that deliver durability and wear resistance while retaining conformability. The integrated 1/4-20 threaded steel shank helps the wheel remain balanced and cut down on chatter. This Merit® high performance wheel allows for fast, tool free wheel changes.