XtraSafe CU safety utility knife is a completely disposable utility knife developed for the food service and food processing industries. The blade never needs to be handled or changed. Knife is disposed of or recycled when the blade dulls. Minimize all loose razor blades and the issues related to loose blades in the workplace. Fatigue resistance, resistance to creep, resistance to friction and wear, wide range of working temperature, high tolerance to organic chemicals and alkalis, long-term dimensional stability, excellent thermal stability and strong resistance to alkalis. Blade composition is a specially formulated stainless steel that resists shattering, chipping and corrosion.