If your watch band needs adjusting, this is your tool! This handy tool will make shortening and adding links to your band a snap. If your metal strap needs adjusting, you can use this tool to remove or add the extra watch band quickly and easily. With this tool, you can shorten or add links to your band without go to a repair store. Save your time and money. This easy to use unit includes band remover and 3 extra pins 0.85mm. Tool adjust bands width up to size 21mm or 7/8 inches.

• EASY TO USE – The watch link remover is designed with flat area to allow proper positioning of bracelet and twist rod to move forward and pin will slip out. With this watch tool, you can size your own bracelets quick and easy

https://www.watchmaterial.com/how-to-resize-a-metal-watch-band-lk3-instructions/

https://www.youtube.com/watch?v=_ftuqOsnbig&t=13s