2SN hydraulic hose: Inner Tube: Nitrile. Sythetic oil resistance, heat resistance and aging resistance. Reinforcement: two braids of high-tensile steel wire Cover: Black Neoprene Blend Temperature Range: -40oF to 212oF (-40oC to 100oC) Speicification: 5.0mm to 60.0mm( 3/16' to 2 3/8'). Woven belt.