... . Scaffold Coupler/Swivel Coupler/ Scaffolding Parts2. Item No.: ZS-A0483. Size: 0.95kg, 42x48.3mm4.Material: Q235 5.Surface Treatment: HDG &Electric Galvanized, Self ... 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 ...