Durable material The shell is made of high-quality ABS material, so the Escape Hammer has heat resistance, high impact resistance, low temperature resistance, and fine workmanship. Stainless Steel BladeSharp stainless steel blade can cut through the stuck seat belt in a short time. Cut the seat belt diagonally for a quick and clean cut. 2 in 1 Design The safety hammer can be used to unfasten the seat belt and the hammer to break the window, provides peace of mind for you and your family on the road in case a car is caught. Convenient to UseYou just need to press the striker end of the Car Window Breaker hard on the window glass to activate the firing pin and break the glass. Widely usedThis window hammer can be used in a variety of situations, such as rollovers, power failure, car fires, floods, car accidents that they sink, etc.