1. Special safety hammer for breaking windows, always get prepared for danger.Break windows of the whole car. 2. Use this Glass Breaker to pop out the corners of side windows, It instantly caused the tempered glass to shatter, safe without hurting hands. 3. Safety hammer is safe and safe. It breaks the glass and escapes in case of accident. 4. Easy to smash windows: high hardness metal percussion head, 5. 5. Material: aluminum magnesium alloy
