This broken window hammer is mainly made of high quality metal and ABS. It has a strong hardness and can easily break the windows of various vehicles. The weight is not very heavy and can be easily used by anyone. The hammer tip is made of high carbon steel, even if repeatedly hit the window, the hammer tip is still sharp. High carbon steel hammer tip ensures that glass can be broken quickly. Hook - shaped embedded blade, in case of emergency, the safety belt of the vehicle may not open properly, the safety belt can be easily cut with the blade of a window hammer. Let you escape the car as soon as possible. Anti-slip handle design. We may lose our grip on the hammer in an emergency because of the panic, the handle anti-slip design provides powerful friction and does not let the hammer slip from your hand. This broken window hammer is simple in design and compact. It won't take up too much space in the car, is a must-have tool for driving safety. It can also be used for outdoor camping, hiking, climbing, etc. Protect your life in an emergency.