... base 2.weight:990g 3.thickness:body3mm/base20mm Pressed Beam Clamp/Grider Coupler/Pressed Light Duty Beam CouplerSize48.6 mm ... , sleeve coupler, joint pin, single coupler, etc.+We also provide standard, ledger, transom, scaffolding ladder, adjustable u-head, universaljack, base ... eye bolt, hex nut, flange nut.+Our pressed fixed/swivel clamp has SUV certificate.+The surface finish can be golden/silver ...