Description Made of steel with maximum rust resistance and durability, thewatch stem provides lasting life for years to come. Work well for mechanical watch repair. This watch winder stem is easy to install and remove, no tools needed. Features -Color:Silver-Material: Steel-Size:2.00X0.10X0.10cm/0.79X0.04X0.04in- Watch movement winder stem, precision machining of mechanical parts, easy to use.- Easy to use, suitable for watch watchmaker. Perfect for watch repair and replacement of movement parts.- Replacement winding stem for your original non-working one, and help to adjust the watch time easily.- Watch winder stem is designed for professional use, suitable for mechanical watch movement.- Made of metal, crown winder stem is lightweight and durable, will not add much burden to your wrist.- Precise and reliable performance, ensuring accurate timekeeping. Easy to install and replace.Packing list: 1 x Watch Winding Stem