Australian Kwikstage System Scaffolding vertical post is made by O.D. 48.3mm x 4mm thickness high quality steel tubing which can provides safety and heavy duty support for scaffolding, and complies to AS/NZS 1576 requirements. Kwikstage Scaffolding Main Componenets: Standard (Vertical), Ledger (Horizontal), Diagonal Brace (Bay Brace), Transom, Ladder Access Transom, Return Transom, Plank, Toe Board, Stairway, Brick Guard (Mesh Panel), Gate Standard, Trim Standard, Hop Up Bracket, Hop Down Bracket, Tie Bar, Base Jack, U-head Jack, and so on.