Utility Knife Diagram - Technical Illustration for Craft & Construction Tools #3655856 (License: Personal Use)

This black-and-white line illustration depicts a classic retractable utility knife, featuring a segmented metal blade partially extended from a plastic casing. The design includes a ribbed thumb slide for blade advancement, a locking collar to secure position, and a textured grip area near the rear. Wavy lines indicate the internal spring mechanism that retracts the blade when released.

Used in instructional manuals, safety training materials, product datasheets, and e-commerce pages for hand tools; matches user intent for understanding tool anatomy or selecting appropriate cutting instruments.