Diablo’s Bi-Metal Reciprocating Saw Blades for Nail-Embedded Wood are specifically designed for maximum performance and superior results in all rough-in applications. These high-performance blades feature bi-metal technology that delivers up to 5X longer life compared to standard blades on the market. Diablo’s patented variable tooth technology provides faster cuts with less vibration. An oversized blade body helps with rigidity and stability with every cut, while Diablo’s Perma-SHIELD® non-stick coating prevents heat buildup, gumming and corrosion.