Overfee 2pc Automotive Safety Antiskid Hammer Window Breaker Seatbelt Cutter Emergency Escape Tool A Window Breaking Hammer, double-sided head with hardened sharp stainless steel Points shatters vehicle windows and belts in an emergency. Seat belt cutter with safeguarded razor blade easily cut through seat belts for fast escape. It's a necessary emergency tool,put one in your car to protect your whole family.