... 1) Name: ringlock scaffolding2) Material:Q2353) Tube OD:48.3mm4) Surface treatment:powder coated,galvanized,painted,HDG5) Vertical standard:500mm,1000mm,1500mm ... ,2500mm...6) Horizontal ledger:600mm,1200mm,1800mm,2400mm... rosettesteel pipe standed bar Ledger bar the details of the ringlock ... , pls contact me in your free time! High quality ringlock scaffolding