Thes safety hammer has spring-type window breaker with anti-skidding grain round head and inner tungsten steel head, hardness is up to 55 hrc, strong enough to break side window easily. The 30 degree tilting blade can help you cut seat belt with less effort. It is as compact and light as a car key, simple and easy to carry. Along with it, there is a mini holder, making it convenient to pasted in the car. It is a great promotional gift and support custermizable Logo for your brand.