VARIABLE PITCH TYPE; FERROUS METAL, NON FERROUS METAL, NON METAL CUT MATERIAL; HARDENED M3 HSS TEETH BLADE MATERIAL; 1-1/2 INCH DIAMETER; 1.5 DIAMETER - DECIMAL; 1-1/2 DIAMETER - FRACTIONAL; 1-1/8 INCH CUTTING DEPTH; RIDGID. BRAND