... support assembly a) outer tube dia. 60+/-0.3x2 b)inner tube dia. 48+/-0.3x2 c)screw dia. 60 +/-0 ... plate: 120 +/-1x5 f) top plate: 120x+/-1x5 g) fixed pin: dia: 12+/-0.42, H -scaffolding sah1 dia: 48x3 length ... , frame scaffolding include: main frame, jack base, planking, cross brace, joint pin , horizontal frzme, and arm lock