Lowes offers DeWalt ToughCase Bi-metal Reciprocating Saw Blade 16-Pack for $20 (reg $30) with free shipping.

Product 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.

• 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 versus 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**. TOUGH CASE® container made in China