Grinding 25 piece set. Combine the advantages of depressed center grinding wheels and resin fiber disc. Because of their flexibility, they put more grinding surface on the job and will grind faster and last longer. Flexibility also enables a closer fit between the wheel and the job, which results in a smoother finish. There is also less vibration and operator fatigue with a flexible grinding wheel.MS-58X3X9.53-80 Grinding Wheel Resibon.
