For the uniform grinding and processing stainless steels, look no further than Metabo's 4-1/2" P120 Zirconia Novoflex Flap Discs (10 Pack) (656455000). These discs perform at cooler temperatures, have low vibration and a maximum working speed of 80 m/s. They are most suitable for processing stainless steels but are also effective for rough and intermediate grinding in all fields of metalworking including steel, cast iron, and sheet steel.