Diablo’s Demo Demon™ Carbide Teeth Reciprocating Saw Blades for Nail-Embedded Wood for Nail-Embedded Wood with new Variable Tooth Design are specifically designed for maximum performance and superior results. This high performance TiCo Hi-Density carbide-tipped blade delivers up to 50X longer cutting life in nail-embedded wood compared to standard bi-metal blades. These radical blades also feature Perma-SHIELD® non-stick coating to prevent gumming and friction for fast, effortless cuts in some of the toughest wood cutting scenarios. An oversized blade body helps create straighter cuts with less vibration while a unique plunge tip design enables faster starts.