... , painted 3.ISO9001:2000, EN74, BS1139, AS1576 4.OEM service Scaffolding Walk Through Frames Castor WheelMaterialQ235Q255Q345Surface TreatmentHDG,Galvanized, paintedSize Dia200mmNet weight 1 ... , yellow, blue, green CertificationISO9001:2008StandardEN74, BS1139, AS1576FeatureSkidproof, Antirust, High Breaking Strength,High tenacity,easy to install,sturdy and durableSupply Ability500Tons/MonthShipping ...