I.ISO9001:2000 2.Inside Diameter:64/305'~0.3/2/0"mm 3.Min.Bend Radius:850~4510 4.Best price and quickly delivery ConstructionIt is composed of an inner rubber protection layer, middle rubber layer, steel wire spiral layer and external rubber hose.ApplicationsSteel wire spiral drilling rubber hoses are used in oil fields, well cementing, well repairing, geological explorations small drilling ...