The Stanley Tools FatMax® Premium Auto-Retract Tri-Slide Safety Knife has a metal body with ergonomic, slip-resistant bi-material grip for durability, comfort and control. The pressure-sensitive blade automatically retracts once disengaged from the cutting surface. The oversized, contoured tri-slide button can be engaged from 3 positions: top, left and right side. There are 3 blade depth settings and a blade lock to help prevent accidental blade exposure. 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.