... self color 48.3MMX48.3MM 0.51KG1. Scaffold Coupler/Beam Coupler/ Scaffolding Parts2. Item No.: ZS-E0013. Size: 0.51Kg ... forged and pressed scaffolding couplers/clamps, such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, ... putlog coupler, plank coupler, sleeve coupler, joint pin, single coupler, etc. +We also provide standard, ledger, transom, scaffolding ...