1SN ISO 1436- SAE 100 R1AT/R1ATS EN 853 1SN Inner tube: Oil resistant synthetic rubber Reinforcement: One braid of high-tensile steel wire Cover: Environment resistant synthetic rubber Temperature Range: - 40 to 212(- 40 C to 100 C) Application: Medium pressure hydraulic application including mobile, machine tool and agricultural application, using petroleum or water based hydraulic fluids. 2SN ISO 1436-SAE 100 R2AT/R2ATS EN 853 2SN Inner tube: Oil resistant synthetic rubber Reinforcement: Two braid of high-tensile steel wire Cover: Environment resistant synthetic rubber Temperature Range: - 40 to 212(- 40 C to 100 C) Application: High pressure hydraulic oil lines used in construction, machine tool and agriculture application using petroleum or water based hydraulic fluids.