Fused Cobalt Teeth.
Ferrous/Non-Ferrous Metal Over 1/8", S/S Tube, PVC, Cast Pipe And Nail Embedded Wood. Recip Blade 14T X 9 Bi-Metal Contractor 3/4 W. Contractor Series Cobalt Bi-Metal Reciprocating Saw Blades. 1/2" Universal Shank Fits All Popular Reciprocating Saws.