Steel wire 4 spiral layers hydraulic hose Standard: SAE 100 R9 Application: ideally suited for medium pressure hydraulic oil lines, return lines, grease lines, water lines and power steering hoses Rubber hose tube:oil resistant synthetic rubber Rubber hose reinforcement: four high tensile steel wire spiral Rubber hose cover:oil,abrasion,ozone and weather resistant synthetic rubber. Working temperature range: -40° to 100°C (-40° to 212°F) Such hose crimping connectors without stripping the outer rubber