What size tuning screw should I choose?
Choose small-head tuning screws if you're using them on a guitar that has all 6 tuning screws on the same side
a 12-string guitar
If your guitar has 3 tuning screws on each side, you are free to choose the size.
Right or left?
Hold your guitar upright with the headstock up and the front facing you. Then you can see if you need right or left tuning screws.
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