prop nut weight:0.42kg 0.7kg 0.8kg 1.0kg. for 60mm screw tube. surface: zinc palted materrial:Q235 steel prop nutweight:0.42kg 0.7kg 0.8kg 1.0kg. for 60mm screw tube. surface: zinc palted materrial:Q235 steelheight:1600-2900mm,1700-3000mm,2000-3600mm,2200-3900mm,2200-4000mm ,2500-4500mm,3000-5000mm ,3200-6000mm,4000-7000mmexternal tube:60mm,56mm,48mm,internal tube:48mm,40mmthickness:3.0mm,2.5mm,2 ...