The Sheffield 12113 Folding Lock Back Utility Knife features a one-hand opening operation for convenience as you cut through obstacles such as paper, cardboard, and more! This Sheffield Utility Knife also boasts a quick-change mechanism for a quick and easy blade replacement procedure, using standard utility knife blades. It features a lightweight aluminum handle for ease of use and includes a belt clip for easier carrying. You're all set to cut through twine, boxes and more with "ultimate" ease.