... Stainless material, ISO9001 and CE cerificate Waterpoof paper packing Razor Wire Also called concertina razor wire. It is a new kind of ... protection. Material: galvanized steel cutting ribbon and galvanized spring steel wire. or stainless materials. Normal Type: BTO-12, 15, 22, ... 30 CBT-25, 60, 65 Packing: inside waterproof paper, outside woven bag. or carton box. Outside diamter: 450mm, 500mm ...