Update your cargo with enhanced stability when uncoupled, with the Jost 17" A440 Magnum Series Inside Mount Landing Gear Leg that ensures you're Ready for the Road Ahead. To allow trucks to safely uncouple and drop their cargo, this retractable leg attaches to the front of a fifth wheel or trailer. Fashioned with resilient materials and precision engineering to withstand substantial weight and rough conditions. FleetPride is your First Click in Heavy Duty.