Car emergency window glass breaker and safety belt cutter 2in1 emergency safety hammer car glass breaker and seat belt cutter 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, new gun spring mechanical structure,60 times supercharged cohesion produces 20kgf impact force to push the drill bit. instant blasting. hidden design, built-in stainless steel cutter, can quickly cut seat belts in critical moments, u-shaped hidden knife edge design. fingers can not go deep, safe not to hurt hands, beware of scratches. car safety hammer emergency glass breaker seat belt cutter high hardness tungsten steel 2 in 1 rescue tool auto accessories.