The TORCH with Carbide Teeth SAWZALL Blades have been engineered to deliver extreme life and unmatched versatility in thick and extreme metal cutting applications. This reciprocating saw blade delivers up to 50X life over standard blades. The TORCH with Carbide Teeth tackles a wide variety of metal materials ranging from black pipe and angle iron to cast iron, stainless steel, and high strength alloys. With up to 70% larger gullets than other carbide blades and an optimized tooth design, these blades deliver extreme life in metal cutting applications.