Product Features:IRWIN BLUE BLADE Bi-Metal Utility Blade is made of a combination of spring steel and high-speed steel to stand up to tough jobs and stay sharpExtended thumb ledge provides support and leverage while cuttingRugged industrial designBuilt-in wire stripper notchDurable integrated belt clip provides a secure attachmentQuick Change button only releases the blade when the knife portion is bent at a 45 angle to ensure the blade is always locked when in use
