The item for sale is a brand new heavy duty case crown tube Opener/Remover in Stainless Steel of Quality.
It is made for men's Rolex Datejust Submariner, GMT,Daytona and other watch case crown tubes from outside.
This wrench can remove or install case crown tubes which take 6mm or 7mm crowns 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 tube opener which are listed in our store.
It is good for watchmaker or hobbyist.