IRWIN Bi-Metal Hooked Utility Knife Blades - 100 pk features 100 blades constructed with a sharp steel edge and flexible backing to create a shatterproof blade that retains its cutting edge three times longer than traditional carbide blades. The Irwin Blue Blade Bi-Metal Utility Blade uses bi-metal technology to create a blade with superior performance three times longer lasting than conventional blades, hook design to protect the surface underneath the cut and shatter-resistant ruggedness. The spring steel body has superior flexibility to resist breakage under stress, and the high speed steel cutting edge resists dulling. This back includes 100 blades. It's bi-metal technology sets new standards of performance, by providing a blade that stays sharp three times longer than the conventional blades.

Features:

• These hooked utility knife blades have a welded, bi-metal design for a sharp edge and flexible body
• Hooked blade protects the surface underneath the cut
• Stays sharper than traditional utility blades
• A shatter-resistant design adds safety
• Fits IRWIN utility knife handles and most other utility knives
• Pack of 100 blades
• SKU: BLKN100