1.Dimensions:48.3*48.3mm2.Meterial:Q235 carbon steel3.Nut:22mm,23mm4.Weight :1.4-1.5kg5.Standard:EN74,BS1139,CE and also fit for our demostic stardand , through SGS test.6.Technic:Forged7.Surface treatment:Self-color,Zinc plated ,Hot dip ...