Scaffolding Swivel Coupler Is Rotation Couplers In All Angles Connection Between Scaffolding Pipes and Poles in Diameter from OD42mm to OD89mm.Hot dip galvanized Swivel Coupers Are More Durable Using In Offshore Construction of Oil and Gas and Marine Services.Scaffold Swivel Coupler OD60mm are also Called Prop Coupler, Which is Used to Connect Between Scaffold Props and Scaffold Poles.