Materials: Galvanized steel wire,SS, PVC coated iron wire in blue, green, yellow and other colors. Type: BTO10- CBT65 Standard specification of razor barbed wire when using: Outside DiameterNo. of LoopsStandard Length per CoilTypeNotes450mm11217MBTO-10. 12.18.20.22concertina500mm10216MBTO-10. 12.18.20.22concertina600mm8614MBTO-10. 12.18.20.22concertina700mm7212MBTO-10. 12.18.20. ...