Safety hammer for car emergency with seatbelt cutter and window breaker1、Portable and Compact: Car escape tool is light in weight and small in size, adopts keychain design, can be stored and hung in your car or bag, easy to access for you to escape from emergency. 2、Underwater Available: The window breaker and seatbelt cutter is professionally designed to adapt underwater pressure, effortless to break window and escape even in water. 3、Powerful Hammer: The car window breaker features spring loaded and tungsten steel head, you can quickly break car side window up to 10mm/0.39in thickness in short time. 4、Easy Pull Seatbelt Cutter: The seatbelt cutter comes with pointed stainless steel blade, allowing you to cut the car seatbelt quickly, just pull the ring horizontally to take out protective cover in an emergency. 5、Excellent Durability: The 2 in 1 safety hammer shell is exquisitely made of high quality PC materials, sturdy and wear resistant, strong and hard enough to save your life.