Scaffolding coupler CE & IS09001 scaffolding coupler British type pressed coupler, swivel coupler,single coupler,forged caffolding coupler CE & IS09001 scaffolding couplerBritish type pressed coupler, swivel coupler,single coupler,forgedcoupler, external ... treatment: Hot dip galvanized / Zinc plated /Golden colour British type coupler : 1.15kg/1.0kg Standard : BS1139 / EN74Packing: Standard export ...