Guardrail Posts are set up on top of the scaffolding platform for installing guardrail braces. They provide fall protection to the people when working on the scaffold platform. Guardrail Posts are made by dia.1.65" x 0.09"t (O.D 42x2.3mm) or dia. 1.69"x0.095"t (O.D 43x2.5mm) steel tubes. They are strong engough to hold the guardrail braces.