Strings String Height Gauge & Fret Rocker.
• US and metric sizes.
• Accurate for the perfect setup.
• Measurement Instructions.
• Measure fingerboard flatness / fret level.
• Spans three frets and "rocks" to indicate uneven fret heights.
• Thickness: 0.5mm.
• Stainless steel construction.
As the well-known saying goes.. 'Same same, but different'.
With access to these measurements all in one place, getting your guitar into its best playing form has never been easier.