concertina coil barbed wire is also known as crossed razorbarbed wire.

Two pieces of stainless steel razor wire or zinc coated razorwire are bound together by clips to make it stronger.The spiralintersecting barbed wire presents an intersecting shape afteropening with beautiful feature and practicality.

Single coil barbed tape wire is installed without clips,it runsin natural loops on walls or fencings.Single coil razor wire isostless and can be easilly installed.