Lenox, lazer, 9", 8tpi, carbide tipped reciprocating saw blade for the highest performance in cast iron & stainless steel, up to 10x longer life than bi-metal reciprocating blades, high performance carbides are welded to increase durability & prevent tooth loss, straight cuts in large diameter materials, tall blade profile delivers straight cuts & long life in demanding metal cutting applications, each tooth is precision ground to quickly cut through difficult metals.