GI OR SS Concertina Barbed Wire

The strands of concertina barbed wire are offered in two varieties: single wire and double wire. And barbed wire as the most popular barbed wire fencing is made in three processing methods: traditional twisted, single twisted, double twisted.
Ocean concertina barbed wire consists of high tensile line wire which is spirally coiled, barbs are fixed at regular intervals.
The turns of the concertina are interconnected at regular distances around the circumference by means of clips to from diamond meshes upon extension.
Feature:
when extending to its full length the concertina unfurls easily and provides a cylinder like barrier, concertina barbed wire provides instant reliable and economical security for vital installations, it can be set up quickly and easily on top of existing fences and solid walls, in ditches on roof of tops or by itself on the ground.
It is the most costive fencing wire and provides high security function.
Specification of the concertina barbed wire :
main wire: high tension wire.
Wire dia.:2.2mm to 4mm
barb wire: galvanized wire( hot dip or electric)
wire dia.:1.8mm to 2.5mm
barb length:10mm to 20mm
barb spacing : 40mm to 100mm
outside diameter:450mm to 1000mm.