... patent Name: 4 IN 1 Digital air gauges (RCG-T04), (CAR tire pressure gauge, emergency hammer, pocket torch, strap cutter, ... pressure readingBack light LCD for readingBroad range working temperatureReliable and easy to useSpecification:Measure range: Psi: 0.5~99.5/Bar: ... 45# steel/plated Ni tire tread depth gauge(RCG-T04), (CAR tire pressure gauge, emergency hammer, pocket torch, strap cutter, vehicle ...