O.D.: 42.3mm, 48.3mm, 60.3mm ; thickness 1.5mm-4mm Galvanized Scaffolding TubeOut diameter: 38.1mm, 42.3mm, 48.3mm, 48.6mm, 60.3mm Thickness: 1.5mm-4mmLength: as per your requestStandard: Q235, Q345, S235JR, S275JR, EN10025, EN10219, BS1139Delivery time: within 7 daysPayment: by 30% deposit first then pay the balance after received the copy of B/L or L/C at sight