Description These reciprocating saw blades last up to 50% longer and feature patented tooth forms that deliver fast, smooth cuts in wood and metal-cutting applications. Their Bi-Metal construction is designed to extend blade life and minimizes blade breaks. Each kit contains an assortment of blades for a variety of cutting applications and a collapsible ToughCase or easy storage. Made in the USA with global materials.Tough case or Expandable case holds blades and is designed to fit in power tool kit box.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 bladesSTRAIGHT CUTS & INCREASED DURABILITY: Tall, thick blade profile provides straight cuts in heavy metal cutting applications and adds durability for tough demolition applicationsDURABLE BLADE DESIGN: Bi-metal construction delivers blade flexibility and a long-lasting cutting edgeMADE IN THE USA WITH GLOBAL MATERIALS**. ToughCaseContainer made in China. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov