A safety hammer is a first aid and preventative measure for all kinds of emergencies, allowing you and your passengers to quickly get out of the car in an emergency, ensuring safe driving. The impact head The glass breaker is made of tungsten steel, which can break windows quickly. When the door can't be opened. Aim the glass breaker at the four corners of the window and press firmly, the window will be broken instantly. The case of the glass breaker is made of ABS with a hidden seat belt cutter which is very sharp. In an emergency where the seat belt cannot be removed, the seat belt can be cut immediately. Compact and portable, this window breaker does not take up space and comes with a key ring. It can be easily stored in a pocket, on the center console or attached to a key ring. It is also a good choice for mounting near the car window. Easier to use than ordinary safety hammers, our glass breakers allow even women, the elderly and children to break tempered glass immediately, quickly and easily. Perfect as a gift for a friend or family member.