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