Combat Razor Wire - Combat wire is a type of barbed wire with more pronounced razors, and that it expands, much like an accordion. - Also known as Concertina Wires / Razor Wire/ Combat Wire/ Military Wire Product Information With Clips (Already coiled) Material - Galvanized Steel Blade 1-1/4" Length - 57m straight wire, with 10-12m Accordioned Length Diameter - 450mm Used for 1. Anti-theft walls 2. Defense against trespassers 3. Fencing