Set of 4 Car Hammer (Big) - Auto Safety Seatbelt Cutter Glass Window Punch Breaker Emergency Rescue Disaster Escape Tool - Must-Have Life Saving Survival Kit Specially designed hardened steel double hammer heads car window breaker Razor-sharp steel blade cuts through seat belts Protective bracket for the hammer heads and steel blade included Must-have security emergency tool. Don't drive without it. Your life could depend on it. Buy One for Each of Your car and your parent's and children's car