Lenox reciprocating saw blades cut through wood, metal and metal pieces and tools in maintenance, metal fabrication and demolition applications. They are constructed of bi-metal for allowing blades to bend without breaking or shattering and have carbide grit, 4 to 24 teeth per inch for straighter cuts along the metal surface. These blades feature Power Blast Technology that provides high speed blasting along the cutting edge to increase durability and strengthen the blades. They have straight or tapered backs with 1/2 inch universal shank for fitting onto corded or cordless reciprocating saws. Choose from a wide range of these reciprocating saw blades, available in lengths ranging from 3 to 12 inches.