Finger-friendly blade with an easy-squeeze handle to expose blade and auto-retraction for additional safeguarding. Blade lock prevents accidental blade exposure. Durable reinforced nylon handle built for industrial use and comfort. Integrated lanyard hole for easy access. Simple and quick no-tool blade change. Suitable for left- and right-handed workers. Blade is non-conductive, chemically inert so it never rusts and lasts 11.2x longer than traditional blades.