Diablo’s reciprocating saw blades are specifically designed for maximum performance in general-purpose (nail-embedded wood and metal) applications. These high-performance blades feature bi-metal technology that delivers Up to five times longer life of standard blades on the market. Diablo’s patented variable tooth technology provides faster cuts with less vibration.Perma-Shield coating protects blades from heat, gumming and corrosion1 in demolition body delivers straighter cuts with less vibrationUltra hardened cutting edge for up to 5X longer life than standard bladesA one-of-a-kind tip design that enables faster and easier plunging