retractable belt post, tensa barrier, stanchion 1 11KG, 40" ... -iron weighted base LG-4-B retractable belt post, line post,belts railing,crowd control devices,lobby products,extenda blet pole ... 51mm,5 Plastic belt cassete: 4-way Belt: 1900mm long retractable, 48mm wide, color: black, blue and red6 Base:DIA ... hospitals,station, airports,bussiness hall, supermarkets,museums and other crowd public places.