... Color), self color 48.3MMX48.3MM 0.51KG1. Scaffold Coupler/Beam Coupler/ Scaffolding Parts2. Item No.: ZS-E0013. Size: ... , such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, putlog coupler, plank coupler, sleeve coupler, joint ... coupler, etc. +We also provide standard, ledger, transom, scaffolding ladder, adjustable u-head, universal jack, base plate, and accessories such ...