... Picket:14mm,16mm,20mm,25m O.D 1.Material: Stailess steel, electro galvanized, hot-dipped galvanized ... feet are removable,which makes the transportation and storage much easier and efficient. 5. Specially designed flat ... sites, Civil site, Concerts, events, Any site and public restriction area. 6.Package: 1) Normally packed ... welded claw feet 10 years factory of crowd control retractable barrier