5 Kinds of guitar repair tool:
All the gauges are in different scales for satisfying your diversified needs, you can use them to measure your guitar according to your own requirements.
Metric and imperial marking all in one, which is very useful for people not skilled in metric/imperial conversion.
A great combination of measuring tools for electric guitar, acoustic guitar, bass, banjo and folk guitar, etc.

Specifications:
Material: stainless steel
Guitar neck ruler :
Application: Good for synthesized 25.5 inch and 24.75 inch scale guitar or other 6 string instruments.
String action gauge ruler:
Application: measuring string height, frets, nuts, saddle, and other parts of a guitar.
Fret rocker:
Application: the fret rocker can span over 3 frets and can check if frets are on the same level
Understring radius gauges:
Application: Fit all kinds of electric guitar, electric bass, acoustic guitar, acoustic guitar, electric box guitar fretboard measured in radians, to adjust the strings piano code
32 Blades Feeler Gauge:
Measuring range: 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm
Application: guitar common spacing chord distance measure tool

Package includes:
9 x Understring radius gauges
1 x Neck Notched Straight Edge 1 x Fret rocker
1 x String action ruler
1 x Feeler Gauge