Swivel Clamp Scaffolding It allows 360 degrees of rotation. It is widely used on scaffold structures to join scaffolding tubes at any angle. It is designed for use in all types of scaffolding construction and also in lighting rigs, staging and guard rails. With a zinc-plated exterior, the coupler is long-lasting. Drop forged steel and Pressed steel clamps are available. The Dought scaffolding clamp is not recommended for permanent installations. For any inquiries, please contact us via chat. British Standard EN74 on Scaffolding Coupler Specifications: Tube Diameter: 48mm Material: Drop Forged Steel or Pressed Steel Finish: Bright Zinc Plate (for drop forged steel clamp) / Yellow Passivate (for pressed steel clamp) Weight: 1.18 Kg (for drop forged steel clamp) / 0.9kg (for pressed steel clamp) Standard: EN74 To browse all Scaffolding Clamp options, please visit the Doughty collection.