Easy Changer Screwdriver For Richard Mille with four and five pronged head

This four and five pronged tool head is designed for fully tightening the screws of Richard Mille watches.

• five pronged tool head for bezel and caseback screws
• four pronged tool head for strap and clasp screws

From the picture, you can see that the four prongs of the head are slightly raised, which helps minimize the risk of damaging the watch case or screws.