[Compact and Powerful Safety Tool]: This two-in-one Safe Hammer is a compact yet powerful safety tool suitable for any vehicle. It combines a durable car window breaker tool and a reliable seatbelt cutter, ensuring you can quickly exit your vehicle in any emergency. With a size of just 3 inches, it can be easily installed in the center console of vehicles with velcro. [Dual-head Efficient Safehammer Glass Breaker]: Safe hammer glass breaker features a dual-head design, with a solid tungsten steel impact hammerhead of hardness 55.Dual-Point Design with 6kg Impact Force,The precise mechanical structure and ejection design allow for instant glass breaking in 0.1 seconds, even under water pressure. The ejection design allows the impact needle to be reused multiple times. [Hidden Blade Design]: The hidden blade design ensures safety and won't harm your hand. Upon pressing, the blade pops out and can be used with the safety hammer body as a handle for easy grip. Align the U-shaped mouth of the blade with the stuck seatbelt, and cut diagonally to quickly and easily escape. The blade can be used multiple times. [Widely Applicable]: The seatbelt cutter and window glass breakercan provide peace of mind for you and your family in case your vehicle gets stuck on the road. Most electric car windows stop working when submerged in water due to water pressure. Traditional safety hammers require greater force to break windows under such conditions, but our mechanical ejection design allows you to escape from a dangerous car within seconds, aiding in evacuation from sinking, overturning, crashing, or burning vehicles. [Please Note]: The car window breaker has sharp impact needles built in. Do not press the hammer head with your hand or press it against a person to avoid injury.