... duty beam coupler with pressed clamp body/forged base 2.weight:990g 3.thickness:body3mm/base20mm Pressed Beam Clamp/Grider Coupler/ ... Order Quantity2000 Pieces+We are leading company engaged in scaffolding equipment.+We offer all range of drop forged and ... single coupler, etc.+We also provide standard, ledger, transom, scaffolding ladder, adjustable u-head, universaljack, base plate, and accessories ...