Heavy-Duty Tire Pressure Gauge and Swivel Angle Ball Air Chuck - 60 PSIACCU-GAGE helps maximize your tires life and performance through all types of terrain and weather conditions. The compact design allows for easy storage, air hose allows you to reach awkward tire valve stems and provides quick and accurate reading in seconds. Overinflated. No worries, simple press the deflation button to release extra air from your tires for precise tire pressure. Featuring: Highly accurate dial gauge provides range of measurement; PSI (0 PSI to 60 PSI), The bourdon tube movement can withstand any temperature, humidity, altitude or air stream contaminants, Meets ANSI B40.1 Grade B specifications to ensure a rapid and accurate reading, Heavy-duty protective rubber boot shields gauge against impact, Deflation button to release extra air from your tires for precise tire pressure adjustment, No batteries required.