Q: On your String Action Gauge Chart you don’t show what action to use for a 5 or 6 string Bass, what should it be?

A: The most common String Action Height for a Low-Medium action on the bass side (or low string) that will make your bass play great would be .090” or 2.25mm on the 5th or 6th string.

 

Q: On your String Action Gauge Chart you don’t show what action to use for a 7 or 8 string Guitar, what should it be?

A: The most common String Action Height for a Low-Medium action on the bass side (or low string) that will make your guitar play great would be .065” or 1.65mm on the 7th string (on a 7-string guitar) and .070” or 1.75mm on the 8th string (on an 8-string guitar).