Lenox Gold, 5 Pack, 956GR, 9″, 6 TPI, Reciprocating Saw Blade, Blades Are Shatter Resistant Because The Bi-Metal Technology Flexes & Resists Breaking, Long Lasting Blades Tuff Tooth Design Is Reinforced With Titanium Coating To Cut Stronger & Last Longer, Designed To Attach With Unique Blade Geometry Which Positions The Blade For Optimum Cutting Performance.