The Milwaukee 49-22-5016 1/2" SAWZALL BLADE CLAMP ASSEMBLY is a replacement part for a reciprocating saw. This set includes blades and does not come with a battery. The SAWZALL model ensures durability and reliability for various cutting tasks in the workshop or garden. Designed by Milwaukee, a trusted brand in power tools, this assembly is essential for maintaining and repairing your reciprocating saw… please email with any questions … thank you