LENOX Tools Metal Cutting Reciprocating Saw Blade with Power Blast Technology, Bi-Metal, 8-inch, 24 TPI, 5/PK Each saw blade features T2 technology for extended blade life These reciprocating saw blades have an optimized and reinforced tooth geometry for faster cuts The saw blades are engineered for minimal friction and heat build-up A bi-metal design stands up to the most demanding applications 8" x 3/4" x 0.035"