Use this tool to improve your gas mileage, prevent excessive tire wear, light your way at dark and save your life in a crash! 1: Digital Tire Gauge Highly accurate LCD display shows 5-150 PSI in 0.5 PSI increments. 2: Ultra Bright Flashlight Great for measuring tire pressure in the dark, also good for reading, searching, and working. 3: Emergency Hammer For use when trapped in a crash or under water, heavy conical steel point shatters the window when a door can't be opened. 4: Emergency Seat Belt Cutter Shielded razor-sharp blade can slice through the webbing of jammed or broken seat belt that may be trapping you inside.