Cal.552 Regulating

Posts
3
Likes
1
Hey, I'm looking to adjust my cal. 552 (swan neck), but not sure what screwdriver size I should use. Does anyone know? Thanks!
 
Posts
30,042
Likes
77,555
Hey, I'm looking to adjust my cal. 552 (swan neck), but not sure what screwdriver size I should use. Does anyone know? Thanks!

One that fits. I usually use a 0.6 mm.