The Original LINE2design Car Safety Emergency Rescue Hammer with built in concealed razor-sharp blade to easily cut through the strongest seat belts. One end of the rescue hammer has a double sided steel striking heads for shattering side glass windows. Includes black mounting cradle to keep the life hammer in a secure location. The LINE2design lifesaver hammer is light weight and can be stored in various small compartments within your vehicle. Approx. 6.75″ long and weighs 4.5 oz.