If flexibility is what you need, the Classic99 6 in Retractable Utility Knife delivers. It has a three-position retractable blade made of carbon alloy steel that can handle all types of professional and home improvement jobs.
Interlocking nose to hold blade securely
Three-position retractable blade
Blade storage in handle
Multi-position blade slide
Furnished with three 11-921 Heavy Duty utility blades