Patented BladeLock Technology engineered to keep the utility blade secure.
Bi-Metal Utility Blades
The IRWIN bi-metal utility blade is a revolutionary bi-metal utility blade. It's bi-metal technology sets new standards of performance, by providing a blade that stays sharp three times longer than the conventional blades.
Retractable snap utility knives with enhanced blade load cartridges
Bi-Metal Snap Blades
The IRWIN Blue Blade has revolutionized traditional snap blades with the introduction of Bi-Metal technology. Bi-Metal snap blades are produced through a patented process of combining two types of metal, spring steel and high speed steel.