Widely Used & Reliable Performance: Window breaker seatbelt cutter used in emergencies such as overturned car, electrical system failure, car fire, flood, car overboard, people trapped in the car, car escape, etc. Suitable for women and elderly people. Small and powerful, car essentialsApplicable Underwater: Compared with traditional glass breaker, This spring loaded window breaker seatbelt cutter can easily break windows even underwater, not afraid of water pressure interferenceCar Tool Present: Be prepared for emergencies and carry this essential car escape tool with you. Keep a car escape tool on every door to ensure that you and your loved ones are always prepared for any emergency. I hope you never have to use it, but need a spareTough Material, 0.1s Window Breaker: It only takes 0.1s to break the car side window (max thickness is 0.47 inch/12 mm). The tip tungsten steel Rockwell hardness up to HRC=89, all parts are made of stainless steel material. Spring resets automatically when pressed. Stainless steel blade is sharper and can cut seat belts quickly. In an emergency, you can use a tungsten cap to directly shatter the side window glass of your carExcellent Service: The product has been rigorously tested to ensure product quality. We provide you with excellent after-sales service to ensure that you can buy the car glass breaker