Material: Q235 low carbon steel.
Surface treatment: hot dipped galvanized or PVC coating.
Post thickness: 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm or 2.5 mm. 1.5 mm is the most common used.
Section size: 50 mm × 30 mm, 54 mm × 30 mm, 50 mm × 40 mm, 60 mm × 40 mm.
Length: 1.8 m to 2.8 m. commonly is 2.4 m or 2.5 m.
Audited Supplier 
){kind=link}