Whether you"re cutting through wood, metal, or old, crumbly drywall, there"s a blade in the DeWalt DW4890 15-Piece Reciprocating Saw Blade Set that can help you work more efficiently. Professionals know that job-specific tools make all the difference, and having different types of blade at your disposal can make one saw seem like three distinctive tools. The three distinct, durable types of blade in this kit are each six inches long, crafted with eight-percent cobalt, reinforced teeth, and flexibly bodies for serious durability, and they are designed to work with any brand of reciprocating saw. You get five 6-TPI wood cutting blades, five 14-TPI thick metal cutting blades, five medium, 18-TPI medium metal cutting blades, and a rugged, plastic case that can be expanded to hold blades up to nine inches long.