Utility knives & blades

Discover the unparalleled durability and performance of Irwin Blue Bi-Metal Utility Knife Blades, available in convenient packs of 100 along with a free folding lock-back utility knife. Designed with welded bi-metal construction, these blades stay sharper three times longer than traditional carbon blades, making them a favorite among roofing contractors and professionals alike. Enjoy cutting efficiency with blades that resist breaking, ensuring they meet the toughest demands on any job site.