Priced By The Foot, Cut To One Continuous PieceFull Roll: 50'Size: 5/16" I.D. X 1/2" O.D.Material: Nitrile And Hypalon With Polyester Reinforcement200psi. Working Pressure At 70 Degrees-40 to 257 Degrees Fahrenheit Operating TemperatureUse As A Fuel Line, Vapor Emission Or Crankcase Ventilation HoseSAE J30R7 Specifications