The item for sale is a brand new heavy duty case tube opener. It is made for men's Rolex Datejust Submariner, GMT and other watch case tubes from outside.
This wrench can remove or install case crown tubes which take 6mm or 7mm crown part 24-6030, 24-7030 .
The new type of tubes have milled grooved inside on the upper or widest part of the tubes.
You get one tube opener for men's cases.
Also available for ladies case crown tube opener which are listed in our store.