Feature(may vary by option.)

●R card for the Top and Bottom of the 2-way gauge
●Whac a under the measurements of the strings
●When you want to set high to saddle strings, and with the convenient to match your finger plate R
●R = 7.25 (184R)

[12 (305R)]

Description

Depending on your guitar at the base is very useful to, if you are not sure of the R R gauge.
R attached to the back, so you can whack a under your strings for both top and bottom of the measurement can be right at your fingertips.
Finger Board R to match the saddle strings High convenient, such as when you want to set.
The pinnacle of the strings and frets can be less frets Approximate is exactly whats inside.