stainless steel razor barbed wire has the specification:
BTO-10,BTO-12,BTO-18,BTO-22,BTO-28,BTO-30,CBT-60,CBT-65

 stainless steel razor barbed wire is widely used by in military field, prisons, detention houses, government buildings and other national security facilities, it is also used as fence for cottage and society fence, and other private buildings.

Barbed type wire specification:
Outside diameter: 900mm
No. of loops: 36 loops
Stander length per coil: 9 -10M (5 clips)
Type: BTO- 22
Note: concertina crossed type razor barbed