Diablo's new Demo Demon 7-3/8 5 TPI Rough-In/Scrolling Carbide reciprocating saw blades deliver an unmatched 50 times longer cutting life, faster cuts and increased productivity in scrolling and radius cutting applications. These industry first carbide blades are designed with large gullets and a strengthened blade body for fast chip removal and maximum stability in extreme cutting applications. . Diablo's new optimized tip design provides fast plunge capabilities, saving time and effort when engaging material. In addition, these radical blades feature Perma-SHIELD non-stick coating to prevent gumming and friction for fast, effortless cuts in nail-embedded wood and clean wood.