【Sturdy and Durable Material】: Made of premium tungsten steel head, sharp stainless steel blade, makes this car escape tool strong and hard enough to save life, it is also resistant to high and low temperature. This multifunctional lifesaving safety hammer with seat belt cutter is durable and reliable, allowing you to quickly get out of your vehicle in an emergency situation. 【2 in 1 Window Breaker】: Designed with spring loaded window punch and tungsten steel head, simply breaking the car window in 1 second to save time for rescue. And the effortless seat belt cutter features a U-shaped design with a built-in blade to prevent you from being hurt carelessly when using it. 【Underwater Escape】: Ordinary safety hammer cannot be used underwater due to the water pressure. The unique spring-loaded design makes our car safety tool effortless to break the window even underwater, without fear of being disturbed by the water pressure, even children can handle it. Compared with traditional safety hammers, it is easy to escape from the submerged car. 【Various Applications】: Powerful car window breaker seat belt cutter provides peace of mind to yourself and your family on the road in case of car entrapment, escape from the emergency. Can be used in various situations such as rollover, electrical system failure, car fire, flood, sinking car accident. 【Mini But Powerful】: This compact emergency hammer measures 10.5×3×2cm, and it is made of very sharp tungsten steel bit, tungsten hardness up to 65, you can quickly cut metal and glass, etc. At the same time, mechanical dexterity to easily break windows, helps you break the glass with a single press for a quick escape.