- Superior craftsmanship: this double headed emergency hammer uses high grade carbon steel and plastic. It has a solid hammer head with a heavy carbon steel tip and a solid window breaker head. Protective caps help prevent vehicle damage when stored. - Ergonomic and accessible design: it features an ergonomic design with a light guide plate for easy finding in low light. The knife is mounted on a hook. The hidden knife can harm people. The protruding hook captures the seat belt and guides it to the notched cutter. The seat belt cutter is sharp stainless steel and cuts belts with ease. - Ready for use: comes with adjustable straps for securing within the applicable range. The device can be fixed to the sun visor frame, and stored in a glove box, door pocket, or center console. Even in a collision it stays in place and can be quickly removed in an emergency. - Great gift and practical kit: ideal for cars, buses, trucks and other vehicles. A useful addition to a basic vehicle safety kit. Suitable as a thoughtful gift for parents, spouses, siblings, friends, teachers and more, helping in unexpected situations.