Descrizione
Steel Version of AT21S. Same height as AT21S.
Features a hole on top to fit a 2.0mm allen wrench.
Note
The height of the AT21ST-A Pivot Balls is 0.5mm lower compared to AT21.
Example
If you used before 1.0mm under AT21, you have to use 1.5mm under AT21ST-A to archive the same height.