For Concertina Wire ,we have many kinds:

Single coil  Razor Wire  ,Crossed  Razor Wire,Flat warp razor wire. ,Razor Wire fence

Single Coil Razor Wire 

Single coil Concertina Wire  is installed without clips, it runs in natural loops on walls.Cost less and can be easily installed.

Crossed Razor Wire 

Two pieces of razor wire were bounded together by clips to make it more strength.The spiral intersecting barbed wire presents an intersecting shape after opening with beautiful feature and practicality.

Flat warp razor wire

Flat warp razor wireis a new type of razor barbed wire. Press two loops into flat then expand them across. We usually use it together with been line razor barbed wire to build a defending wall, or use it alone as a fence.

 Razor Wire Fence
Welded razor mesh fence is a new form of razor bared wire mesh for security,it with practicality blade and the feature looks very beautiful.It can be used for guard net of fence ,doors and windows and also can be used in military.The specification can be designed as the customers' need.