Outfit your cargo to be Ready for the Road Ahead with enhanced stability when uncoupled, with the Jost 17" A440 Magnum Series Inside Mount Landing Gear Leg. This retractable leg attaches to the front of a fifth wheel or trailer, allowing trucks to safely uncouple and drop their cargo. Engineered with robust materials and precision engineering to tolerate substantial weight and rough climates. FleetPride is your First Click in Heavy Duty .