post shore scaffolding height:1600-2900mm,1700-3000mm,2000-3600mm, 2200-3900mm, ... -4000mm external tube:60mm,56mm,48m post shorescaffolding prop,post shore,steel prop,height:1600-2900mm,1700-3000mm,2000-3600mm,2200 ... :120*120*4mmsurface finished:painted,powder coated,zinc plated post shore