Maxcraft 69192 2-in-1 Sport / Utility Knife Professional-grade stainless steel housing 2-in-1 Design: Sport Knife doubles as a Utility Knife Sport Knife includes a liner-lock, 3-inch blade with combination standard and serrated cutting edge, and a thumb stud for one-hand opening Utility Knife has a retractable blade which locks in 8-cutting positions, and push button quick blade change