Irwin Bimetal Utility Blades

1. Shatterproof 
The spring steel backing combined with dual hardening of the blade makes our blade more durable and shatterproof

2. Last 3 times longer
More cuts for your money

3. Spring Steel
Allows the blade to bend without accidentally breaking

4. High- speed steel
Delivers a hardened cutting edge that stay sharp 3x longer than traditional carbon blades

5. Fits most knives
The two-notch blade design fits most utulity knives