Bi-metal Irwin blades stay sharp three times longer than ordinary blades and are unbreakable under normal working conditions. Smooth, durable, three-position slide exposes variable blade lengths, and stands up to frequent use. Optimized cutting angle for reduced hand fatigue. Push-button offers easy access to interior blade storage - holds up to five replacement blades.

Bi-metal Irwin blades stay sharp three times longer than ordinary blades and are unbreakable under normal working conditions. Smooth, durable, three-position slide exposes variable blade lengths, and stands up to frequent use. Optimized cutting angle for reduced hand fatigue. Push-button offers easy access to interior blade storage - holds up to five replacement blades. Quick change mechanism lets you easily change, remove and reverse blades without opening the knife.

Fully retractable blade for safety. Built-in twine cutter. Includes one blade.

Bi-metal Irwin blades stay sharp three times longer than ordinary blades and are unbreakable under normal working conditions. Smooth, durable, three-position slide exposes variable blade lengths, and stands up to frequent use. Optimized cutting angle for reduced hand fatigue. Push-button offers easy access to interior blade storage - holds up to five replacement blades.