The Stanley Tools FatMax® Auto-Retract Squeeze Safety Knife has a pressure-sensitive blade that automatically retracts once disengaged from the cutting surface. An easy squeeze trigger exposes the blade and helps reduce user strain. A blade lock helps prevent accidental blade exposure. The knife is fitted with a slip-resistant bi-material grip for comfort and control. It offers quick, tool-free blade change. There is also a lanyard hang hole and integrated blade storage in the handle. Ideal cutting solution for corrugate, tape etc. It accepts standard round-point utility blades.