Premium Oils have state-of-the-art lubricant additives that are plastic and paint compatible. Each has a metal cap and 2¼" needle applicator for hard to reach places. Prevents metal contact and surface scuffing. Specially formulated for use on R/C cars, airplanes, boats and HO scale and larger model trains. For precision mechanisms where a medium-weight oil is required. Viscosity: SSU at 100°F ...310. Net .5 fl. oz./15 ml.