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

The OLFA SK-4 Semi-Automatic Self-Retracting Safety Knife has a powerful stainless-steel spring to maintain blade tension and automatically retract when lifted from the cutting surface when the trigger is not engaged. The textured anti-slip design of the sturdy ABS frame delivers all-day comfort. Cut through a variry of heavy-duty materials with the cupport of the thick stainless-steel channel supporting the blade. A large loop at the end of the handle can be used to attach a lanyard for tetheri