OLFA Carton Opener (SK-4)

The OLFA Carton Opener SK-4 is a semi-automatic, self-retracting safety knife designed to prevent workplace cuts. Priced around RM26 to RM39 in Malaysia, it features a spring-activated blade that automatically snaps back into the handle the moment it loses contact with the cutting surface.

Key Features

• Self-Retracting Safety: The heavy-duty internal stainless-steel spring pulls the blade back safely even if the user forgets to release the thumb slider.
• Durable Build: High-impact ABS plastic handle with a textured, non-slip grip and a sturdy stainless-steel blade channel.
• Ambidextrous Design: Easily configured for right- or left-handed users by flipping the blade 180 degrees.
• Tool-Free Blade Change: Quick and easy replacement mechanism requiring no extra tools.
• Cutting Depth: Up to 0.75-inch (19mm), ideal for heavy packaging tasks.

Common Applications

• Opening 3-ply corrugated cartons and boxes
• Slicing through shrink wrap, pallet wrap, and plastic strapping
• Cutting tape, foil, paper layers, and foam