LifeHammer ResQMe Keychain Rescque Tool. 2 7/8 overall. Black plastic construction. Features blade for cutting through seat belts and a spring loaded window breaker. Hang packaged." 2 7/8" overall. Black plastic construction. Dual function: 1) Blade cuts through jammed safety belts. 2) Spring-loaded head breaks side and rear automotive windows. Hang packaged.