The Emergency Rescue Seat Belt Cutter by LINE2design features a built-in Oxygen (O2) wrench. It cuts quickly through restraining belts, clothes, etc making it the perfect tool for Firefighters, Paramedics, EMT's and ambulance service providers. The versatile design makes it easy to grip, even while wearing gloves. The cutter opens easily to replace blades. It is crafted with a high impact plastic housing and has a surgical stainless steel blade making this Emergency Rescue Seat Belt Cutter with built in Oxygen Wrench, lightweight, rugged and durable design.