Vehicle Window Breaker: This 2-in-1 safety hammer features a built-in high-pressure spring and a durable tungsten steel tip with a hardness of 55. With 20KGF impact force, it can break solid window glass instantly. Note: Metal tip remains inside the tool and only extends when activated during glass impact. Seat Belt Cutter: Equipped with a built-in stainless steel cutter and a U-shaped hidden blade design for safety and protection against hand injuries. Simply position the U-shaped opening over the seat belt and push forward quickly to cut and exit the vehicle safely. Upgraded anti-slip design: The safety hammer includes 8 ergonomically placed silicone anti-slip pads, providing a secure and comfortable grip for easy operation. An essential tool for vehicle emergencies. Compact and portable: Measuring only 3.6 inches and lightweight in design, this emergency tool is easy to carry. Ideal for placement in both front and rear vehicle seats. Wide application: Suitable for rescue operations, emergency escape, disaster response, and personal safety situations. Important: Designed to break tempered glass on side windows only. Laminated glass such as front and rear windshields and sunroofs cannot be broken. A reliable safety solution.