Premium Ultra-lite Oil 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: cSt @ 40°C ...21.6 Net 0.5 fl oz (14.7 mL) For use on: • HO scale and smaller model railroad journals, side rods, valve gears, axles and couplers • Motor bearings and couplers • Slot-car pinions and spur gears • Precision instruments, fishing reels and office machines