Contractor series cobalt bi-metal reciprocating saw blades. Lasts 10x longer. Unique Nitro hardening process for optimal strength and blade life. Fused cobalt teeth. 5% cobalt teeth fused to flexible, shatterproof body for rugged cutting. When compared to standard carbon alloy blades. 1/2 universal shank fits all popular U.S.A. reciprocating saws. Fast coarse cuts in wood and composite. Product Features:Cip-Saw Cobalt Bi-Metal reciprocating saw blades are designed for contractor grade applicationsEach blade consists of cobalt alloy high speed steel teeth electron beam welded to a lower alloy backbone provide a flexible, high performance bladeFor fast coarse cuts in wood and compositeCip-Saw blades have C66-67 Rockwell hardened teeth which operates up to 10 times faster than carbon alloy bladesMade in the USA
