Equip your semi truck to be Ready for the Road Ahead , with the Sunex Portable Air Lift Jack, a key tool that offers enhanced safety when replacing components. Due to its specialized design, this lifting tool utilizes compressed air allowing operators to safely move heavy components that would not be possible by just human strength. Constructed with a robust and pressure-resistant body to withstand extreme amounts of force. FleetPride is your First Click in Heavy Duty .