3M Green Corps flexible grinding wheel features 1/8 Inch thick resin bonded wheels that are great for grinding and stock removal. We engineered the 3M Green Corps flexible grinding wheel to produce less vibration than other conventional grinding wheels, thereby improving overall operator experience. - 3M Green Corps flexible grinding wheel offers enhanced flexibility and a contoured fit, helping operators achieve a smoother finish on a variety of metals. Stands up to medium to high pressure production environments, contributing to longer service life.