... , black,red,yellow,green,orange and etc Oxygen gas hose(welding hose)Colour:Blue, Red, Black, Green, Orange,Yellow and so ... ±0.322030±3001008±0.515±0.522030±3001009±0.516.5±0.522030±30010010±0.517±0.522030±30010013±0.821 ... .822030±30010016±0.824±0.822030±300100 oxygen gas hose(welding hose)