VARIABLE PITCH TYPE; METAL, MILD, FERROUS METAL, NON FERROUS METAL, BRASS, CAST IRON CUT MATERIAL; BI-METAL, M3 HSS TEETH BLADE MATERIAL; 3-3/8 INCH DIAMETER; HARDENED PROCESS; 1-1/2 INCH CUTTING DEPTH; NO SUPPLIED WITH ARBOR; WARRANTY FULL LIFETIME