Diablo DS0914BGP5 9 in Bi-Metal Recip Blade for Nail - Embedded Wood, Metal, and Plastic (5 pk) Nail-embedded wood, metal and plasticsDiablo'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 the blade from heat, gumming, and corrosion1 in. Demolition body for straighter cuts with less vibrationUltra hardened cutting edge for up to five times longer life than standard bladesA one-of-a-kind tip design that enables faster and easier plunging