... . High Quality Forged Coupler1. Scaffold coupler British Type Half Swivel Coupler2. Size: 1.30kg 48.3x48.33. Material: Q2354 ... scaffolding couplers/clamps, such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, putlog coupler, plank coupler, sleeve ... , ledger, transom, scaffolding ladder, adjustable u-head, universal jack, base plate, and accessories such as T bolt, eye ...