Get your semi truck Ready for the Road Ahead™ with properly inflated tires, with the X-tra Seal 13.25" Straight-On Dual Foot Gauge. With a pressure-sensitive design, this replacement piece is able to monitor the internal pressure of a tire so that operators can make adjustments as needed. Manufactured with an adaptable design to be suitable for cars, trucks, and bikes. FleetPride is your First Click in Heavy Duty®.