CONSTANT PITCH TYPE; METAL, NON-METAL, FERROUS METAL CUT MATERIAL; BI-METAL BLADE MATERIAL; 5 INCH DIAMETER; 70 RPM (MILD STEEL), 35 RPM (STAINLESS STEEL), 45 RPM (CAST IRON), 90 RPM (BRASS), 95 RPM (ALUMINUM) SPEED RATING; V TEETH TYPE