Freud Diablo 12 Steel Demon Bi-Metal Recip Blade for Metal (5 PK) DS1214BF5 Diablo steel demon reciprocating saw blades are specifically designed for maximum performance in metal cutting applications Ultra hardened cutting edge delviers up to 4x the life of standard blades Dual tooth design features a double tooth configuration with small gullets for faster material removal and extra durability High impact resistant carbide for a strong durable cutting performance 1 in. over sized blade body for straighter cuts with less vibration 12 6 Carbide Tipped TPI Single Blade