General description Bi-Metal Reciprocating Saw Blades are designed for cutting a variety of materials including thin sheet metal, man-made boards, wood with nails, and all types of wood and plastic. The combination of high carbon steel (HCS) for the body and high speed steel (HSS) for the cutting edge ensures durability and efficiency in cutting. Technical specifications Material: Bi-metal (HCS body and HSS cutting edge) Suitable for: Thin sheet metal, man-made boards, wood with nails, wood, and plastic