... : Q235 4. Surface: HDG &Elec. 1. Scaffold Coupler/German Type Double Coupler/ Scaffolding Parts2. Item No.: ZS-A0163. Size: 1.20Kg ... of drop forged and pressed scaffolding couplers/clamps, such as double/fixed coupler, swivel coupler; fixed/swivel beam/girder coupler, putlog ... , universal jack, base plate, and accessories such as T bolt, eye bolt, hex nut, flange nut. +Our pressed fixed/swivel clamp ...