... : BTO-12 ,BTO-18BTO-22 Razor wire 1. galvanized steel 2. stainless steel 3. straight razor wire 4. concertina coild 5.crossed razor ... steel wire, Stainless steel wire.Category: Straight razor wire, Flat-wrap coils razor wire, Fencing type razor wire, Crossed type razor wire, Concertina coils razor wire. Packing ... ±0.052.5±0.1 12±1 15±1 26±1 BTO-150.5±0.052.5±0.1 18±1 15±1 33±1 BTO-220.5 ...