Details
Assortment of 20 winding stems extenders for wrist watches. Thread outside 0,7 mm. The range of watch stem extenders includes the most common sizes for the most popular Swiss and Japanese quartz movements. Your watch winding stem is broken or too short? No problem, you can use a stem extender to lengthen the original broken watch stem to extend to the correct length that you need for your watch repair. You can also change the tap (thread) size from a larger or smaller size to a standard tap (thread) size.