The Irwin Blue Blade Bi-Metal Utility Blade uses bi-metal technology to create a blade with superior performance 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.
- These utility knife blades have a welded, bi-metal design for a sharp edge and flexible body
- 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