... Type:Cross razor 4.Surface Treatment:Galvanized 5.BTO-65,22,30etc Concertina razor barbed wire factory MaterialStainless steel,hot dipped ... /electro galvanized iron wireModelBTO-12,BTO-15,BTO-22,BTO-30,CBT-60,CBT65Coil Diameterfrom 450mm to 980mm outside ...