Lightweight and Portable: This car escape tool is only 9 cm, lightweight and small, does not take up space in your car and can be hung on a keychain for easy transport. Each safety hammer comes with a base that can also be attached to your car with adhesive backing. You can buy four, two front and two rear. Essential Car Escape Tools: This underwater safety hammer and seatbelt cutter can allow you and your family to quickly escape in an emergency, the window breaker is not afraid of water interference, it can protect you from quickly getting out of the car underwater, it is widely used in rollover accidents, electrical system failures, car fires, floods, car sinking accidents and unexpected situations. Car Window Breaker: This 2-in-1 safety hammer has a built-in high-pressure spring and a solid tungsten steel blade with a hardness of 55. Together with an impact force of 20KGF, it can shatter the solid window glass in an instant. Note: The metal tip remains inside the tool - It only pops out when breaking glass. Widely Applicable People: The small car window breaker and seatbelt cutter can quickly shatter the side window in an accident, just need to use the force of a finger, you will be able to shatter the window in one second, to realize a quick escape. Whether it is elderly, children or men and women, they can be easily used to protect you and your family's safety in accidents. Seatbelt Cutter: The car safety hammer has a built-in sharp stainless steel blade with a hidden U-shaped blade design to ensure user safety and prevent hand injuries. When using it, just aim the U-shaped blade at the seatbelt and quickly push forward to easily and quickly cut through a stuck seatbelt.