Beam clamp 1.good bearing capacity 2.durable & stable 3.easy to assemble & dismantle 1.Dimensions:48.3mm2.Meterial:Q235 carbon steel3.Nut:21mm,22mm,23mm4.Weight :1.50-1.55kg or as per your request5.Standard:EN74,BS1139,CE and also fit for our demostic stardand , through SGS test.6.Technic:Forged cap & Forged body7.Surface treatment:Self-color,Zinc plated ,Hot dip galvanised8.Color:Self-color( ...