WHOLESALE DUAL HEAD TIRE GAUGE METAL BODY Save gas and tire wear with proper tire inflation. Up to 120 PSI readout. SAE and Metric measurements. Valve stem useful for releasing air from over-inflated tires. ⚠ WARNING: This product can expose you to DEHP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.