You are Buying a Brand New And factory Sealed Milwaukee 9 in. 7 TPI TORCH Carbide Teeth Thick Metal Cutting SAWZALL Reciprocating Saw Blades 3 Ct...  SAWZALL blade is the best solution for heavy duty metal cutting applications. The TORCH with Carbide Teeth delivers up to 50X life over standard recip saw blades. The blade cuts through a wide variety of metal materials including black pipe, angle iron, cast iron, stainless steel and high strength alloys.