barbed razor wire material:galvanized,stainless steel,pvc coated BTO-12,BTO-22,CBT-65 coil dia:450mm-980mm Used:prison,filed Concertina razor wireSYZ mainly produce Single coil razor wire, cross type razor wire, concertina razor wire, razor wire barrier, flat wrap razor wire.Packing: packed in waterproof paper and outside woven cloth, We can also produce it as per customers' requirements. ...