Freud DS0914AGP Diablo Bi-Metal 9-Inch 8/14-TPI Reciprocating Saw Blade The new Diablo nail embedded wood and metal cutting reciprocating saw blades last up to two times longer than standard reciprocating blades These specially designed blades include a Variable Tooth Technology design for superior cuts and one-of-a-kind tip design for faster and easier plunging The Perma-Shield non-stick coating allows for less heat, gumming and corrosion Diablo's Bi-Metal Series reciprocating saw blades last up to two times longer than standard blades in wood and nail embedded wood applications