Diablo's range of AMPED Steel Demon? reciprocating saw blades are "AMPing Up" thin metal conduit cutting with the introduction of the industry's first ever industrial-grade coating, black Industrial Cooling Element (I.C.E.). Black I.C.E coating protects the cutting edge against wear to maintain tooth sharpness and durability. High-performance carbide and 12-teeth per inch (TPI) optimized tooth design delivers an unmatched up to 100X longer cutting life and clean, smooth cuts versus standard bi-metal blades. The combination of black I.C.E and Diablo's carbide blend delivers ultimate life and an impressive up to 2X increased performance over standard carbide reciprocating saw blades.