Executive Standard: SAE J517 100R16 Tube: Oil resistant synthetic rubber Reinforcement:1 or 2 layer high tensile steel wire braid Cover: Black smooth or black corrugate, oil,weather and abrasion resistant synthetic rubber Temperature Range: -40℃ ~+100℃(-40 ℉ ~+212 ℉) Application: smaller bending radius, transmit petroleum base hydraulic fluids or water base hydraulic fluids