Irwin Bi-Metal Snap-Off Knife Blades 18mm – Pack of 10

The Irwin Bi-Metal Snap-Off Knife Blades are precision-engineered 18mm segmented blades designed for clean, controlled cutting in drywall, insulation, and general construction materials. Each blade features a bi-metal construction with hardened steel teeth and flexible backing for durability and snap-off segments that maintain a sharp edge throughout use. Ideal for electricians, installers, and trade professionals who require reliable cutting performance on jobsites.