... galvanized, painted 3.ISO9001:2000, EN74, BS1139, AS1576 4.OEM service Scaffolding Light Duty Base Jack MaterialQ235Q255Q345Surface ... *5mm, run- out:470mm ,Dia38mmNet weight 4.0kg,3.5kgColorSilver, red, yellow, blue, green CertificationISO9001:2008StandardEN74, ... convenient transportation.7.Provide good service for everyone.Base JackRaw Material- Steel PlatePunchingScaffold CouplersWorkshopsI`m Joyce ...