Standard Abrasives™ 500 Series S/C Unitized Wheels Soft density silicon carbide wheel blends surfaces to a fine finish. Soft density offers exceptional conformability which is especially important for applications with close tolerances. Cuts faster than Standard Abrasives™ Buff and Blend non-woven products, though with less flexibility. Silicon Carbide mineral is suitable for ferrous and non-ferrous metals, including exotic metals and titanium, as well as composites. Runs clockwise and counterclockwise, allowing greater flexibility and versatility when paired with tools and machines Pack of 10