Highly mobile,deployable and retrieved quickly without tools.Stable when bases are filled with water/sand,resisting wind and crowd pressure.Highly visible with bright colors and reflective strips,day and night.Durable:metal parts are rust-proof,plastic is UV/weather resistant.Easy storage,stackable/foldable.Low cost,reusable.

Height typically 0.7m-1.2m.Width 0.8m-1.5m.Base capacity varies(tens to hundreds of liters),weighing hundreds of kg when filled.Rail tube diameter:32mm-42mm.Material:galvanized steel or HDPE plastic.Often connected by chains to form continuous lines.

Used at large events,concerts,sports events,exhibitions,airport queues,construction site temporary fencing,traffic accident scene management,road diversions.Essential for public safety management,event planning,and construction sites.