Maintenance stepladder

for airportfor airplane

fixed height at 4 800 mm with intermediary bearing at 3 500 mm galvanised steel frame with epoxy paint for structure support swivel wheels with brake Ø 200 mm at rear and 2 fixed wheels Ø 300 mm at front – « Jockey » wheel on towbar side retractable towbar with lifting ring immobilization cranks double safety gate on the top of staircase capacity of load: 250 kg