Milwaukee 12" 8 TPI TORCH™ with NITRUS™ Carbide SAWZALL® Blade for Cast Iron (1 PK) features breakthrough Carbide Technology that delivers the fastest cutting and longest life for thick metals. This innovative blade is engineered to dissipate heat more effectively than any other demolition blade, allowing for faster cutting performance. The TORCH™ with NITRUS CARBIDE™ blade five times the life d to standard carbide teeth blades when cutting cast iron. With its 8 TPI design, it is for making the fastest, smoothest cuts in hard cast iron, stainless steel, black pipe, rebar, and angle iron. Model Number: 48-00-5263