The abrasive of the centerless grinding wheel is available in dark aluminum oxide, white aluminum oxide, green silicon carbide, pink aluminum oxide, and monocrystalline aluminum oxide. Their grit size is F46-150. The centerless grinding wheel of grit size 46, 54 can be used in common semi-precision grinding. Grit sizes 60, 70, 80, 90, and 100 can be used in common fine grinding. Grit sizes 120 and 150 can be used in polishing and threading. For detailed information, please refer to the following specification list.