Fort Heavy Duty Vantage Mobile Seven Steps. Mesh treads. Tread size: 490w x 165d mm. Made mobile with the use of the unique grip lift mechanism facilitating movement on retractable castors. Platform Handrail Height: 1000mm. Mobile on 2 x 200mm Rubber wheels and 2 x 100mm swivel nylon castors. UK manufactured with a 3 Year Guarantee. Platform height: 1610mm, Platform Size: 460mm x 540mm, Overall size open: 2610mm x 700mm x 1530mm, Weight: 53kg.