EN74 Scaffold Coupler: Size: 48.3 × 48.3 mm Weight: 1.07KG Surface: Hot Dip Galvanized,Electro Galvanized (Silver colour and Gold colour),Self Colour Standard: EN74, BS1139, EN39 Material: Forged Steel, Pressed Usage: Used for connection of 48.3mm tubes. OEM Service is available. Competitive price with the best quality. For more details pls contact us without any hesitation.