Irwin 5-Piece Bi-Metal Utility Knife Blades

The Irwin bi-metal utility knife blades combine high speed steel cutting edges with spring steel bodies for superior durability and flexibility. Engineered with S3 technology, these blades feature double-hardened edges that stay sharp longer under rigorous cutting demands. Designed to fit most standard utility knives, these shatterproof replacement blades provide reliable performance across a wide range of jobsite and workshop cutting applications.