DS1212BW5 Diablo 12 in Bi-Metal Recip Blade for Nail Embedded Wood (5 pk)Nail-embedded woodDiablos reciprocating saw blades are specifically designed for maximum performance in nail-embedded wood 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's patented variable tooth technology provides faster cuts with less vibration. Perma-shield coating protects the blade from heat, gumming, and corrosion 1 in. Demolition body for straighter cuts with less vibration Ultra hardened cutting edge for up to five times longer life than standard blades A one-of-a-kind tip design that enables faster and easier plunging