2 IN 1 Car Window Breaker: This versatile safety hammer with a seatbelt cutter is robust and reliable, allowing you to quickly exit your vehicle in an emergency. It instantly shatters car windows with minimal force, even under water pressure. Well-built: The window breaker is made with a tungsten steel head; the sturdy tungsten steel hammer head has a hardness of up to 65, which can easily cut through metal or glass. The powerful spring mechanism provides 6 kg of impact force to instantly shatter windows. Compact and Portable: The car escape tool is portable, measuring 8.9 cm long and weighing only 100 grams. You can put it in your bag, with car keys, in your pocket, purse, or car storage box. It is easy to carry and helps prevent problems before they happen. The U-shaped design is safe and won't cut your hands. With the emergency hammer in hand, both the elderly, women, and children can easily face dangers. Easy to Use: First, remove the round protective cap on the window breaker's head, then place it on the window and press down firmly; the tip will pop out to shatter the window. The complementary nano-adhesive base can be arbitrarily attached to the car.