... steel High Quality & Reasonable Price Electro Galvanized Concertina Razor WireSpecification of razor wire:Concertina Barbed Tape(CBT); ... Bared Tape Obstacle(BTO)Standard Materials is either Galvanized or Stainless SteelFeatures: beautiful appearance, economic cost Reference NumberBlade StyleThicknessWire ... (5Clips)BTO-10,12,18,22,28,30Cross Type Electro Galvanized Concertina Razor Wire