ADDHEMSFINE
Screw to adjust the idle mixture on a Solex ADDHE carburetor:

This is the version with the fine thread.
There is also a version with coarse thread available.
The difference between the two is most clear in this photograph:

The overall length of this screw is 32.5 mm.
There is also a short, early version available.
You can find those versions on the general Solex ADDHE parts page HERE.
This product is priced, and sold, as each.
Required quantity per carburetor: 2

This is item number 15 in the drawing of the Solex ADDHE carburetor.
This is Our Article Number: ADDHEMSFINE
* Made in Italy *