Our car emergency hammer contains ABS plastic, carbon steel, and stainless steel. It can be equipped with stainless steel blades that are sharp and can effortlessly cut through seat belts; Easy to use, compact structure, and lightweight. Its usage is very simple: hold the window breaker firmly and aim it at the glass to break it; Open the blade safety buckle, place the safety belt piece, and easily cut. The car emergency hammer uses high hardness alloy needles, which are as hard as diamonds and can quickly break windows.