Electro Galvanized Concertina Razor Tape Wire Coil Galvanized / Stainless steel High Quality & Reasonable Price Electro Galvanized Concertina Razor Tape Wire Coil:Concertina Barbed Tape(CBT); Bared Tape Obstacle(BTO)Standard ... 0.5±0.052.5±0.118±115±133±1BTO-22 0.5±0.052.5±0.122±115±134±1BTO ... )CBT-60,65Cross Type500mm569-10M (3Clips)BTO-10,12,18,22,28,30Cross Type600mm5610-11M 3Clips)BTO-10,12,18 ...