Feature:1. Excellent performance reduces friction and improves pressure resistance without damaging your watch.2. Suitable for the movement of pocket watch, not for the winding mechanism and spring.3. One of the professional watch repairing tools, suitable for repairmen and amateurs to save expensive repair costs.4. Suitable for assembly and maintenance of clock, instrument, and machinery industry.5. Suitable for watch makers and watch repairing workers to use, practical and wonderful tool.Specification:Item Type: Watch OilMaterial: Glass, LiquidBottle Height: Approx. 80mm / 3.15inBottom Length: Approx. 30mm / 1.18inBottom Width: Approx. 30mm / 1.18inBottle Cap Diameter: Approx. 22mm / 0.87inApplicable People: Watch maintenance personnelScope of Application: Clock, instrument, machinery industry assembly and maintenanceNote: When using, pay attention to prevent impurities and dust mixed, should be stored in the light, ventilated, dry conditionsQuality standard: Kinematic Viscosity (50 degrees): 17~21 centistokesAcid Value (KOH): not greater than 3 mg/gVolatilization (100 ℃ /3 h): not more than 3%Diaspora (24 hours/room temperature): not more than 10%Freezing point: not higher than -30 degreesBrass corrosion test passed Package List:1 x Watch Oil