Features patented Bi-Metal technology that sets new standards of performance
UNBREAKABLE: Spring steel body delivers superior flexibility to prevent breaking (*under normal working conditions)
LASTS LONGER: High speed steel cutting edge stays sharp longer than traditional carbon utility blades Fits most utility knives

Description: 20-Pack IRWIN BLUE BLADE Bi-Metal Utility Blades Pack Quantity: 20 Material: Features patented Bi-Metal technology that sets new standards of performance