These oils, stabilised against aging and with corrosion protection, are guaranteed for safe use in clock mechanisms. Type 3-5 for metallic tribological pairings in precision mechanisms such as main springs,journal bearings diam. > 1mm to 5mm in alarm clocks, wall clocks, pendulum clocks and time switches. Viscosity 140mm2/s (20°C). Use from -10°C to + 80°C. Supplied in little 3.5 ml glass bottles, with oil pike and cleaning blocks.