The Irwin 10504159 bi-metal reciprocating saw blade is of excellent manufacturing quality and design, offering extended durability and fast cutting capability. It features an increased front angle for up to 50% faster cutting compared to the previous model, bi-metal construction for faster cutting and longer blade life, which can bend without breaking.

Additionally, it features WELDTEC technology for stronger and longer-lasting teeth. It contains 8% cobalt, which maintains the sharpness of the teeth for a longer period and an improved tooth arrangement for up to double blade life and 50% faster cutting.

They cut synthetic materials such as plastic, wood, pipes, carbon steel, and stainless steel.