... scaffolding coupler 1) Style: Italian style 2) Material: Q235 etc 3) WT: 2-8mm 4) Adjust lenght:1.5-5m Adjust steel scaffolding ... be formed single and double layer scaffoldings, formwork supports, bracing column, material lifting device, self-lifting scaffolding, overhanging scaffolding etc.2.High efficiency ... fittingsDue to business needs, sincerely invite foreign customers! Steel scaffolding coupler