The Lenox 2014212 4" 8TPI LAZER CT 4108Rct reciprocating saw blade 1PK features a carbide tip for the highest performance of Lenox reciprocating blades in cast iron & stainless steel. High performance carbides are Welded to increase durability and prevent tooth loss, Offering up to 10x longer life than Bi-Metal reciprocating saw blades (*vs. Standard Lenox Bi-Metal reciprocating saw blades cutting cast iron and stainless steel). the tall blade profile delivers straight cuts and long life in demanding metal cutting applications. Engineered for fast performance, each tooth is precision ground to quickly cut through difficult metals. Item Specs: 4" x 1" x .050", 8 TPI. Includes: 1) reciprocating saw blade.