MultiSteer Hydraulic Steering Fluid oils with a high viscosity index (VI), designed for operation over a wide temperature range with minimum variations in viscosity. It contains anti-wear, anti-oxidation, antifoam and anti-corrosion additives. This range is graded according to the (ISO) viscosity classifications. We highly recommend the use of MultiSteer Hydraulic Oil; it is designed to work with all manufacturers Hydraulic Steering components. Grade & Specifications: Viscosity at 40 Degrees: 15.5 cSt Viscosity Index: >150 Pour Point: -40 Degrees Flash Point : >170 Degrees