Freud DS1212BW5 Diablo Reciprocating Blade 12-Inch x 6-12 Teeth Demo Demon, 5-Pack 12" Length Bi-Metal Ultra-Hardened cutting edge Non-stick Parma-Shield coating Oversized demolition blade body Lunge tip design. For cutting wood, wood composites and nail embedded wood Delivering break-through 4x performance than standard blades