40 Pack Box Cutter Retractable, 9mm Utility Knife, Razor Knife Snap-off blade design for opening packages and cartons, box opener, disposable exacto knife, perfect for office and home use

What You Will Get40 pcs economical and practical retractable utility knives (red, yellow, blue, green). Each box cutter knife is equipped with 9mm wide snap-off blades that stay sharp for a long time. Retractable Box CutterThe box cutter features a retractable mechanism that slides smoothly, and the slider locks the blade in position. This utility knife fully meets the needs of daily cutting work. Meet Different NeedsThe box cutter knife can cut corrugated paper, leather, wallpaper, foam board, woven bags, foam box, and cartons. Moreover, it can quickly and easily cut tape and open boxes, saving time and effort.

Sharp BladeThe blade is 9mm wide and forged from high-quality steel. It can be snapped off into 12 sections, so you can break off a used segment to expose a fresh cutting edge and maintain sharpness. Self-Locking DesignPull out the rear half of the slide block on the utility knife body to secure the blade, helping stabilize cutting. After use, slide the slider to the bottom for safe, easy carrying and storage