This 25-pack of bi-metal reciprocating saw blades is designed for cutting 1/8"-5/16" medium-gauge metals such as pipes, steel sheets, and bolts. The 14/18 TPI tooth design helps deliver fast, smooth cuts with clean edges. Built with hardened bi-metal construction, the blades are made for durability, heat resistance, and reduced breakage during demanding jobs. A universal shank design provides compatibility with a wide range of corded and cordless reciprocating saws. A transparent storage case is included for organized storage and portability.