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- SK-4 Semi-Automatic Self-Retracting Safety Knife
SK-4 Semi-Automatic Self-Retracting Safety Knife
- $11.99
SK-4 Semi-Automatic Self-Retracting Safety Knife
- $11.99
- Spring-activated blade retracts when lifted from cutting surface
- Powerful stainless-steel return spring maintains blade tension
- Textured design provides a comfortable, non-slip grip
- Stainless-steel channel secures blade during use
- Exclusive Dual-Edge Safety Blade with unmatched sharpness and edge retention
- Flip blade for right- or left-handed use
View video in French HERE
Retracting Blade for Added Safety
The OLFA SK-4 Semi-Automatic Self-Retracting Safety Knife is ideal for those looking for precision cutting with superior safety features. The blade is spring-activated and retracts when lifted from the cutting surface, minimizing accidents and unwanted cuts. The powerful stainless-steel spring ensures blade tension on every cut.
The durable ABS body has a textured design for a comfortable, non-slip grip. A sturdy stainless-steel support channel runs the length of the handle to support the blade for heavy-duty cutting.
The SK-4 Semi-Automatic Self-Retracting Safety Knife comes preloaded with an exclusive Dual-Edge Safety Blade for unmatched sharpness and edge retention. A simple flip of the blade allows for both right-handed and left-handed users. Blade changes are fast and tool-free.
For carrying convenience, a lanyard hole for tethering is included.
Also accepts OLFA Safety Blades: Stainless-Steel Dual-Edge Safety Blade, Rounded-Tip Dual Edge Safety Blade, Stainless-Steel Rounded-Tip Dual-Edge Safety Blade, and Dual-Edge Hook Safety Blade.
(SK-4, #9048)
Also available as a 24-unit display. (SK-4/24, #1088215)
Cutting Depth: 0.75" / 19mm
SELL SHEET: Click here for SK-4 Sell Sheet
SELL SHEET (French): Click here for the SK-4 Sell Sheet in French
For use with:
Bagged goods | Up to 3-Ply corrugated |
Films | Foam |
Layers of paper/foil | Plastic strapping |
Pallet/shrink-wrap | Tape |
And more | Construction safety |
BLADE CHANGE INSTRUCTIONS: Click here for directions on how to change the blade
WARRANTY: Click here for the Warranty.


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