Every car must have an emergency security tool that ,car safety hammer can make life and death a huge difference; | High hardened steel double hammer heads car window breaker and sharp blade can quickly cut off the safety belt; | Easy to carry, light weight, small size, powerful, without it, you'd better not drive. | In case of danger, avoid being trapped in the car,Use it Escape out of your car to protect yourself; | Best christmas gift to your father, mother, wife, husband, brothers, sisters, friend, teacher or more;Worry-free 1-year warranty (If needed, a free new replacement).