formwork/Mason/H-T frame. Features: 1) Material grade: Q235, SM490 2) ... x 1,829mm, Formwork/Facade/Mason/H-T frame 1:Steel-frame scaffolding2:Swivel 8 inch caster with brakes3:Adjustable4 ... length above the wooden planks.3.Main frame-insert the main frame into jack base section in per pendicular ... to walls every 4 span horizontally and every 4 frame , vertically.Our advantage:1:years experince in steel ...