... EN74,IS09001:2000,MPV,CE 1. Scaffold Coupler/British Type Swivel Coupler/ Scaffolding Parts2. Item No.: ZS-A0013. ... &EN74 Class A&B8. High Quality Forged Coupler1. Scaffold coupler British Type Half Swivel Coupler2. Size: 1.30kg ... forged and pressed scaffolding couplers/clamps, such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, putlog coupler, plank coupler, sleeve coupler ...