Product parameters 1. Product material aluminum alloy and ABS and tungsten steel 2. Product type sharp weapon safety hammer 3. Product color red/black 4. Product size 9*3cm 5. Product weight about 120g Product advantages Made of aluminum alloy, high and low temperature resistance, frosted surface, simple and stylish appearance. Lightweight and compact, easy to carry, with bracket, can be installed in the car. Using high-strength tungsten steel head, Rockwell hardness of 55, can easily cut metal and glass. The window can be broken by one click, and the instantaneous impact force is equivalent to the impact of a 6kg weight. Windows can also be broken underwater. The built-in stainless steel cutter can cut the seat belt quickly, and the U-shaped opening design will not cut your fingers. (Note Please allow 1-3cm error due to manual measurement, and slight color difference caused by light and screen.) Package contains 1*Window breaker