1. Steel stringer
Long steel stringer: 21x30/32x1173mm, steel stringer: 21x30/32x573mm. Surface finish: galvanizing.

2. Steel pedestal
Steel pedestal assembly types: standard steel pedestal, heavy-duty steel pedestal, extra heavy-duty steel pedestal, steel pedestal with swivel head for ramps.

①. Standard steel pedestal consists of pedestal head plate, steel rod, locking nut, pedestal base tube and pedestal base plate. Pedestal base tube size: 22x22mm square tube or ¤22mm diameter round tube. Pedestal assembly surface finish is galvanizing and it is anti-rust and corrosion-resistant.