This Is A Lubricant Oil For Keeping Your Lovely Watch, Lock And Some Small Device Smooth And Maintain A Good Performance. It Will Reduce The Friction Between Gears And Prolong The Using Time Of Watches As Well. Features: It Is A Bottle Of Liquid Lubricant Oil For Pocket And Most Kinds Of Watches And Clocks. Made Of Traditional ChineseMaterial That Has Good Quality. Capacity In 15Ml And Compact Bottle For Convenient Carry. Widely Used In The Assembly And Maintenance Of Watches And Clocks, Also Precision Machinery Industry. It Is A Good Lubricants For Precision Machinery, Such As Clocks, Electric Meters, Dial Gauges, Etc. Specification: Item Type: Watch Oil Kinematic Viscosity: 17-21Cm Acid Value (Koh): No More Than 3 Mg / G Volatilization (100 Degrees / 3 Hours): No More Than 3% Dispersion (24 Hours / Room Temperature): No More Than 10% Freezing Point: No More Than 30 Degrees Color: As Pictures Show Net Content: 15Ml Package Weight: 60G Package List: 1 X Bottle Watch Oil