1)Name:Right-angle coupler 2)Inner size:48*48(mm) 3)with ... 4)surface:hot dip galvanization or painted 5)high quality Right-angle coupler Namethe materialTechnologyspecificationWeight/kg Surface finishedright angle couplermalleable ironCasting ... We can produce three kinds of scaffolding coupler,such as right angle coupler, swivel coupler and connecting coupler. For more information ...