The Great Neck®-2 Piece Snap-Off Utility Knife Set includes a 9 mm and 18 mm snap-off knife and is perfect for light duty cutting of paper, vinyl, and leather. The end of the blade snaps off easily to provide a fresh new cutting edge, with a locking slide to ensure safety. A convenient pocket clip makes it easy to carry around. Knife Type: Utility; Blade Type: Snap Off; Blade Material: Steel; Number of Blades: 2.