Compact and Portable Design: Safety hammer glass breaker safehammer glass breaker features a compact and simple design, making it easy to carry with you at all times. Keep yourself prepared for any situation by having a life-saving tool within reach. Safety Design: The seatbelt cutter is designed in U-shape and inaccessible to fingers, thus preventing accidental finger cuts. And with built-in mechanical spring, the car window breaker tool's tungsten steel head is only exposed when pressed, and it is hidden inside when not in use. Portable And Convenient: Car safety hammer window glass breaker compact at 3.5 inches, this car safe hammer is very portable and easy to carry, it can be mounted directly to your car's centre console. It's a good tool to have in case of accident. Safe and Convenient: The U-shaped opening of our safe hammer for car windows prevents accidental scratches and finger injuries. With a size and weight similar to car keys, it is both simple and fashionable, ensuring ease of use and portability. Underwater and Land Use: The safe hammer for car windows can be used both underwater and on land. Its impact design creates a powerful explosive force, allowing for instant window breakage and enabling escape within seconds.