Up to 50% Longer Life*: Patented tooth forms optimize chip removal for efficient cutting and long life. *Average performance of DEWALT reciprocating saw blade range vs. prior generation DEWALT blades Straight Cuts & Increased Durability: Tall, thick blade profile provides straight cuts in heavy metal cutting applications and adds durability for tough demolition applications Durable Blade Design: Bi-metal construction delivers blade flexibility and a long-lasting cutting edge Made In the USA with Global Materials**. ToughCase Container made in China