Premium Oils have state-of-the-art lubricant additives that are plastic and paint compatible. Each has a metal cap and 2_" needle applicator for hard to reach places. Contains proven anti-wear additives. For close-tolerance areas. Also for switches and tracks to help prevent corrosion and promote conductivity. Use on HO and smaller scales of model trains, precision instruments or where a light oil is needed. Viscosity: SSU at 100¡F ...106. Net .5 fl. oz./15 ml.