Pocket Safety Cutter, Self-Retracting, Safety Point, PlasticMfr #: S7 Safe, Precise Cutting: Designed with a sturdy metal protective guard to precisely guide the high quality, sharp blade, keeping both workers and expensive box content safe from harm, all while improving speed and efficiency. This uniquely structured steel guard will not flex, bend, or break like other cutters and serves as a guide for executing the perfect cut every time, no matter who is doing the cutting Spring Back Action: The safety