... Type Double Clamp/Heavy Duty Pressed Fixed Coupler/BS1139 Pressed Right Angle CouplerSize48.3 mm or 1 1/2"Weight820 gramsThickness5 mmMaterialPressed ... beam/grider coupler, putlog coupler, plank coupler, sleeve coupler, joint pin, single coupler, etc.+We also provide standard, ledger, transom, scaffolding ...