When you require ultimate safety on the jobsite, Fiskars Pro Safety Utility Knife gets the job done with an auto-retracting blade, all-metal body and superior ergonomics. Its intuitive blade deployment mechanism can be operated with one hand, and the knife recognizes when cutting is complete and auto-retracts the blade for maximum safety. Its ergonomic, texturized grip provides non-slip security and comfort in your hand for all-day use. A lock prevents accidental blade release, and blade changes are quick and safe, with a full-body, hinged opening, a magnet to keep the blade in place, and no loose parts to keep track of. All-metal construction ensures lasting durability, while a reinforced metal end provides reliable resistance against pounding and drops. This safety knife includes one CarbonMax utility blade that lasts 24x longer than standard utility blades