OLFA SK-4 Semi-Automatic Self-Retracting Safety Knife

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

Retracting Blade for Added Safety   OLFA Best Seller

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 or left-handed users. Blade changes are fast and tool-free. 

For carrying convenience, a lanyard hole for tethering is included.