PVC Coated Framed Fence is used extensively as protective belt at both sides ... bar net, just according to the holding mechanisms. Usage of framed fence: Mainly used in the high way, railway, airport, station ... ). 2. Frame Size: 15mmx20mm, 20mmx30mm, 20mmx20mm, 20mmx40mm, 30mmx50mm. Surface Treatments: PVC-coated