700mm security concertina razor wire

Concertina razor wire is a type of security fencing wire constructed with sharp edges or points arranged at intervals along the strands.It is named after the musical instrument, the concertina, due to its ability to expand and contract like an accordion. 

Concertina razor wire has good anti climbing and anti cutting performance and easy installation, age resistance,it is widely used in residences,villa wall and windows,express way,railway,national border lines,ets.