The built-in stainless steel cutter and U-shaped hidden blade design of this safety hammer allow for quick and safe cutting of seat belts, preventing hand injuries and enabling swift vehicle exit when needed. Featuring a high-pressure spring and a tough tungsten steel blade with a hardness of 55, this 2-in-1 safety hammer can effortlessly shatter car window glass with an impact force of 20KGF, providing an escape route in critical situations. Measuring just 3.6 inches, this stylish escape tool is lightweight and portable, making it convenient to carry in your vehicle or attach to a keychain using fastener tape for easy access in both front and rear seats. Only the tempered glass of the side windows of the car can be broken, and the laminated glass such as the front and rear windshield sunroofs cannot be broken. It is an essential safety tool for car emergencies. Suitable for rescue missions, disaster response, escape scenarios, and lifesaving efforts, this glass breaker is designed specifically for breaking tempered glass on car side windows, offering peace of mind in unforeseen circumstances. Description: Introducing the vehicle safety hammer, a must-have tool for car emergencies. The built-in seat belt cutter with a stainless steel blade ensures quick and safe escape from your vehicle. The 2-in-1 design includes a car window crusher with a tungsten steel blade that can instantly break solid car window glass. Compact and portable at 3.6 inches, it can be easily carried on a keychain or in your vehicle. Versatile and reliable for rescue and escape situations, this tool is designed for tempered car side windows. Stay prepared and safe on the road with this essential safety accessory. Item Name: Glass Breaker Material: Aluminum Alloy Features: Lightweight, Portable, Reusable, Safe to Use Size Details: L: 9.26cm/3.65", W: 1.99cm/0.78", H: 1.99cm/0.78" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Glass Breaker