Car Safety Hammer - Window Breaker and Seatbelt Cutter. The Original Emergency Hammer Kits. Perect Auto Escape Tool - Emergency Glass Breaker Breaking Tool & Seat Belt Cutter to Help Free You and Your Trapped Passengers Pointed steel head excellent for breaking windows and shattering glass in cars and vehicles alike. Seat Belt Cutter with Safeguarded Razor Blade Cuts off Seat Belts TESTED & CERTIFIED Product quality & safety is continuously tested and certified Fixed holder, so it will not fall even in a collision, but still allows easy removal. Life's safe with car safety hammer