Feature:1. Made of high quality materials, light in weight and easy to use repeatedly.2. This is an automatic watch oil pen mainly used to lubricate watch parts.3. It can reduce the friction between the gears and extend the life of the watch.4. Practical watch repair tool accessories, light and compact, easy to operate.5. A perfect tool for repairing watches and clocks, suitable for watchmakers.Specification:Condition:100% Brand New Item Type: Oil Pin PenFunction: Watch lubrication, use the adjustable screw to adjust the amount of oil.How to Use: Put the oil in the pen, put down the oil rod, put down the oil after putting it down, it is convenient to use, suitable for light oil, that is, water based oil. Package List:1 xOil Pin Pen1 x Pen Base1 x Instruction