Morse CTR1208MC15 (405805), 12" x 8TPI, carbide tipped reciprocating saw blade is designed for metal and hard, abrasive cutting applications that traditional blades can't cut. Precision ground tooth profile optimizes performance in metal applications of 3/8" and thicker, as well as abrasive applications between 3/16" and 1/2". Heavy duty blade body provides rigidity under heavier feed pressure. Fifteen (15) blades per pack.