198521 American Saw & Mfg Co 22750OSB656R 6, 6 TPI, Lenox, Reciprocating Saw Blade, 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.