... ! Air Brake hose(spring coil) with connector (with both male and female thread ) Available Material : PU,PE,PA12,PA11 Available Size :8 ... Length : 3m,5m,10m,15m,20m Available Type: American type and European type Hose Available Size : 4*1 ,5*1, 6 ... could also make the hose just according to your specifications and requirements !