Material:Iron reatment:Galvanized Type:Barbed r Type:Single Razor Brand::QYM Usage::Security Type::12X12,13X13,14X14...In B.W.G. Finish::Galvanized Material::Q195-Q235 Warramty::6 years for concertina razor blade barbed interested in your product. Please send me prices and more details directly to my mailbox and we will discuss further. Thanks.