The MILWAUKEE® TORCH with NITRUS CARBIDE™ blade is the fastest cutting and longest life blade in cast iron and thick metals. Milwaukee NITRUS CARBIDE™ technology dissipates heat better and delivers 5X the life of existing carbide teeth reciprocating saw blades, greatly improving user productivity when cutting through cast iron. This blade features a new 8TPI design, allowing for the fastest, smoothest cuts in all thick metals. With larger gullets than competitive carbide blades, the TORCH with NITRUS CARBIDE™ will provide easier chip ejection and resist gumming up the teeth when cutting the thickest metals. Available in 6 in 9 in and 12 in blade lengths in 1PKs, 3PKs, and 5PKs. This blade has the best performance in all metals 3/16'' thick and greater