A outside diameter: 450mm / 500mm / 550mm / 600mm / 650mm / 700mm / 750mm / 800mm / 900mm / 950mm / 1000mm B length: 8m ~ 15m C blade thickness : 0.32mm ~ 0.6mm D blade type: bto-10 / bto-12 / bto-22 / cbt-25 / bto-30 / cbt-60 / cbt-65 S surface treatment: pre hot dipped galvanized (100g/m2) Electric galvanized (8~12g/m2) + polyester powder (all colors in ral) Step-1: carton box covered: it can prevent the damage from the bump caused by shipping. Step-2: plastic film wrapped: it can keep the product from the rain and moisture immersion. Step-3: steel pallet loading: all the fence export from skyhall are equipped with pallets, loading and unloading by the forklift, avoiding the scratch and deformation by the manual handlings in bulk.