LIFESAVER™ HAMMER BASIC double sided steel striking heads are specially designed to shatter side windows. A concealed razorsharp blade allows the individual to easily cut through safety belts. LIFESAVER™ HAMMER BASIC also comes with a mounting cradle, and is an essential rescue tool for Fire, EMS and Law Enforcement. It is approximately 6 3/4" in length and weighs 4.5 oz.