Safety knife features a spring-action self-retracting blade, sliding securely into the housing when not in use. Interlocking nose reduces blade wobble and allows for precise cutting. Two different blade positions give user the option of 2 mm extension for box cutting or full extension for general use. Ergonomic grip allows knife to fit easily in hand. Tool-free entry makes for a convenient and easy blade-changing process. Knife Type: Utility; Blade Type: Utility Knife; Blade Material: Steel.