The MILWAUKEE TORCH with NITRUS CARBIDE for Conduit, Strut, and other medium-thickness metals delivers the fastest cutting, and longest life with a breakthrough Carbide Technology. These NITRUS CARBIDE reciprocating saw blades are engineered to dissipate heat better than any other demolition blade for faster cutting. The TORCH with NITRUS CARBIDE for Medium metals delivers 2x life versus carbide teeth blades in rigid metal conduit. This 10TPI SAWZALL blade is ideal for smooth, fast cuts and enhanced durability in conduit, strut, angle iron, and Stainless Steel.