CTA Tools 1935 Heavy-Duty Dual Foot Tire Gauge is an extra-long gauge that reaches inside and outside wheels. It is built for use in heavy-duty environments. The two-sided nylon indicator bar is dual calibrated from 10-150-PSI /100-1,000-kPa. This tire gauge includes hang-up ring. The overall length is 12-Inch/31-Centimeter. Whether tuning up your ‘68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job.