CONSTANT PITCH TYPE; METAL, NON-METAL, FERROUS METAL CUT MATERIAL; BI-METAL BLADE MATERIAL; 1-13/16 INCH DIAMETER; 190 RPM (MILD STEEL), 95 RPM (STAINLESS STEEL), 125 RPM (CAST IRON), 250 RPM (BRASS), 285 RPM (ALUMINUM) SPEED RATING; V TEETH TYPE