Bergeon 30081-TAM-140 Drum Barrel Watch Screwdiver Size 1.40mm

This popular series features color-coded hex-shaped heads and replaceable screwdriver blades. The blades can be quickly replaced using the tightening nut at the end of the screwdriver, known as a "set screw."

Shank and handle: Stainless steel.
Head: Self-lubricating synthetic POM material.
Conical blade made of hardened stainless steel (54 HRC), reference 6899-M.
Increased screwing power, ideal for watches exposed to shocks and vibrations, such as automatic watches.
Color-coded heads allow you to easily distinguish between different sizes.