Material: Electro galvanized iron wire. Hot-dip zinc-plating iron wire, black iron wire. 

U type wire is a kind of tie wire made with iron wire cut into certain sizes after being straightened. Wire material is bright iron wire, annealed wire. Electro Galvanized wire, PVC coated iron wire or painted iron wire. It is easy to transport and handle, widely applied in construction, handicrafts or daily use.