Master Mechanic, 2 Pack, 6" x 24 TPI, Bi-Metal Reciprocating Saw Blade With Cobalt, 1/2" Shank, Metal Straight, Shatterproof Bi-Metal Construction For Flexibility, Cobalt Content With The Matrix II Cutting Edge Reduces Heat & Wear Resistance, Designed To Cut Stainless Steel, Wood, Pipe & Conduit, Carded.