Irwin 18 mm Bi-Metal Snap-Off Blades (Pack Of 5 Pcs), 10507102

Bi-Metal is formed by welding high-speed steel edge and spring steel, having the benefit of both types: Safety & Longer Life. The blades are safer since they will not break under normal working conditions.
 

• SHATTERPROOF - The spring steel backing combined with dual hardening of the blade makes our blade more durable, and shatterproof.
• LAST 3 TIMES LONGER - More cuts for your money.
• SPRING STEEL - Allows the blade to bend without accidentally breaking.
• HIGH-SPEED STEEL - Delivers a hardened cutting edge that stay, sharp 3x longer than traditional carbon blades.
• FITS MOST KNIVES - The two-notch blade design fits most utility knives.

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