This is a product for business contractors. With a special manufacturing method, it has excellent sharpness even when dry cutting. Wet cutting reduces burring and burn, and provides ideal cutting results. Compatible Material Examples: Alloy Tool Steel (SKS), Bearing Steel (SUJ), Stainless Steel (SUS), Chrome Steel (SCR); Abrasive Material: WA; Outer Diameter: 10.0 inches (255 mm); Thickness: 0.05 inches (1.2 mm); Inner Diameter: 1.2 inches (31.75 mm); Grain Size: 4.7 inches (120 mm).