Long lifespan when working with metal! The bi-metal blade combines hard teeth with a flexible blade body. Reciprocating saws are excellent tools for such tasks. The PRO Metal Demolition S1025VF reciprocating saw blade helps you tackle even the most demanding demolition jobs. The bi-metal construction features a sturdy HCS body with hardened HSS teeth, making the PRO Metal Demolition S1025VF blade very robust. The advanced Bosch Vario tooth design ensures a more efficient cutting process, resulting in smooth cuts and durability.