Second Cut SeatBelt & U-shaped Hidden BladeOne end of the safety hammer with lanyard is seatbelt cutter. It adopts a U-shaped hidden blade design to protect hands from being cut. Inside is a sharp stainless steel blade. In an emergency, simply align the U-shaped blade with the seatbelt and push it forward quickly to cut through the belt, facilitating rapid escapeTungsten Steel Head & Quick BreakThe car window breaker uses tungsten steel head with a hardness of 65, sturdy and wear-resistant. Built-in high pressure spring, can produce 60 times the pressure, impact force up to 20KGF. We provide 4 test glass respectively for you to conduct pre-use testing. Note: The steel head stays inside the tool and only pops out when the glass is brokenPortable & Easy to PlaceThe window breaker weighs only 1.2OZ and just 3.4 inches in length, small in size and lightweight for convenient travel. With a lanyard design and an included mounting bracket, it can be easily hung on a keychain or fixed in the car using the bracket, ensuring a peaceful journeyEssential 2 in 1 Car Escape ToolOur product includes 4 window breaker seatbelt cutter, which can be used to break glass and cut seat belts in emergency situations such as rollover, electrical system failure, car fire, etc. Enough to place one on each side glass of the front and rear of the car to help you and your family escape safely in an emergencyAnti-slip DesignThe safety hammer cover is designed with anti-slip textures, making it effective for use in high-pressure environments and underwater. This design prevents hand slippage in emergency situations, ensuring a stable grip even when under tension or panic