The Stanley FMHT10370-0 FatMax Safety Knife automatically retracts once disengaged The Stanley FMHT10370-0 has a pressure-sensitive blade that automatically retracts once disengaged from the cutting surface. It also has a metal body with a slip-resistant bi-material grip for durability and control.  Features: Quick, tool-less blade change Accepts standard round-point utility blades Blade lock helps prevent accidental blade exposure Three-blade depth settings limit blade exposure and help protect contents Pressure-sensitive blade automatically retracts once disengaged from cutting surface Metal body with ergonomic, slip-resistant bi-material grip for durability, comfort, and control Specification: Retractable: Yes Knife Type: Safety Blade Type: Retractable Number of Blade Segments: 1 Number of Blades Supplied: 1