... : EN74,IS09001:2000,MPV,CE 1. Scaffold Coupler/British Type Swivel Coupler/ Scaffolding Parts2. Item No.: ZS-A0013. Size ... Class A&B8. High Quality Forged Coupler1. Scaffold coupler British Type Half Swivel Coupler2. Size: 1.30kg 48.3x48 ... such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, putlog coupler, plank coupler, sleeve coupler, joint pin, single coupler, etc. ...