... Multifunctional tyre pressure gauge,Including safety hammer, blade, lighting 4 in 1 multi-function tyre pressure gauge Tire Pressure Gauge, tire depth gauge ... safety coefficient, but also every car the necessary safety supplies.4. Seat belts cutter: for in an emergency escape cut swathe ... to before the test are to reconsider the open pressure function. 4 in 1 multi-function tyre pressure gauge