... ,1.1kg 2.surface:painted/galvanzied Scaffolding coupler Product nameScaffolding joint coupler,fastener,clamps TypeRight-angle coupler, swivel coupler, connecting couplerMaterialsMalleable ... .9kg,1kg,1.1kg,1.2kgPacking25 pcs/woven bags Scaffolding joint coupler,fastener,clamps