The Helical Type II is a double coil barrier with a 750mm outer diameter internal wire. It is manufactured from stainless steel hardened to Rockwell (30N) 50-55. Alternatively offset 4 externly pointed barb are on 101 center all over the circumference of the spiral. The two coil are firmly attached with four stainlesssteel wire ropes(7*7 strand and 1.2mm diameter). The wire rope Provides accurate loop spacing. The barrier can be installed on ground and wall top as per requirement and shall cover 20 Linear meters.
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Bow Bazar, Kolkata, West Bengal