... blue, green, yellow and other colors. General Use: Barbed wire mainly serves in protecting of grass boundary, railway, highway, etc ... 12 18 22 CBT-65 razor wire is divided into concertina, straight line and crossed concertina coils. Razor wire is a new type of ... enjoying nice appearance, economic cost, good security and easy installation. Razor wire is mainly used as safety and security fences in mines ...