Accuracy is important when it comes to tire pressure gauges but so is convenience and simplicity. This 12-inch straight-on dual foot tire gauge measures from 10 to 120 PSI and includes a hang ring. Dual foot for easy reach to semi truck tire valves. Small yet sufficient to monitor your tire pressure and help you get better gas mileage on long hauls and not overly complicated. This tire gauge provides one of the easiest and most direct ways of measuring and displaying the air pressure in your truck tires.