Irwin® Bi-Metal Utility Knife Blade with Dispenser stays sharper 3X longer than traditional carbon blades.Irwin® Utility knife blade with dispenser is made of bi-metal to offer enhanced durability. Knife features welded for sharp edge and flexible body and spring backing steel for blade flexibility and no dangerous shattering.
Material: Bi-Metal
Welded for sharp edge and flexible body
Electron beam weld joins materials together
High speed steel edge can be heat treated to higher hardness for longer life and edge sharpness
Spring backing steel for blade flexibility and no dangerous shattering