ESSENTIAL SAFETY TOOL - One end is a stainless steel seat belt cutter for cutting seatbelt, and the other end is the window breaker tool with two hardened sharp and heavy carbon steel points, which allows you to leave the vehicle quickly in an emergency. HIGH PERFORMANCE & DURABLE - The double-headed hammer is made of high-grade carbon steel and engineering plastics which make this car hammer very sharp and easy to break out the window for life-saving. The razor-sharp stainless steel seat belt cuttermakes cut the seatbelt in the shortest time. 10-PACK SAFETY HAMMERS - 10-Pack safety hammers that can be placed in different parts of your car, ready to be picked up by drivers and passengers in case of an emergency, which Increasing driving safety and can also be given to your family and friendsas a surprising gift.