Model Number: sino002-#9792 Brand Name: sino sources Key Specifications/Special Features: Outdoor scaffolding Size(more customized size available)Length of the Standard(mm)Length of the Ledger(mm) Thickness(mm) Diameter(mm) 2500 2500 2.75/3.0/3.2 48 1900 1800 2.75/3.0/3.2 48 1300 1200 2.75/3.0/3.2 48 1000 900 2.75/3.0/3.2 48 700 600 2.75/3.0/3.2 48 Material Q235 carbon steel Surface treatment Hot Dip Galvanized(HDG); cold galvanized; powder coated; dip painted Color Orange, dark red, blue,or as you required Welding technique CO2 arc Welding Certification SGS;BV; EN12810