subject: Tips With Regards To The Utility Knife [print this page] The retractable blade utility knife is a general tool used in the cutting of materials like plastic, laminates, cardboard cartoons and drywall. Normally the blade retracts into the body of the knife for a safer storage and operation. The handles on the knife unscrew or swivel open to allow for blade changes. A lot of the models offer additional handle with the blade storage and some even automatically retract when the knife is released.
