Contractor Series Cobalt Bi-Metal reciprocating saw blades are designed for contractor grade applications
Each blade consists of cobalt alloy high speed steel teeth electron beam welded to a lower alloy backbone provide a flexible, high performance blade
For ferrous and non-ferrous metal over 1/8-Inch stainless steel tube PVC cast pipe and nail embedded wood
1/2-Inch universal shank fits all popular reciprocating saws
3/4 width and .050 thickness