3M Green Corps Flexible Grinding Wheel, 36 4-1/2 in x 1/8 in x 5/8-11 Internal
These 1/8 inch thick bonded wheels contain proprietary Cubitron abrasive grain and can be used on a wide variety of metals. When grinding, these wheels produce less vibration and noise, There is a built-in spin-on hub for 5/8 inch-11 thread.