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OPTION 1)  24" to 34" - 610mm to 864mm

This combination will cater for all instruments ranging from 24” to 34” scale (610-864mm) and includes a precision straight edge 400mm long.


  • Guitar Scale Notched Straight Edge 24"- 27" (610-685mm) with precision straight edge.
  • Baritone / Bass Guitar Dual Notched Straight Edge 27"- 34" (685-864mm).


OPTION 2)  24" to 38" - 610mm to 965mm

This combination will cater for all instruments ranging from 24” to 38” scale (610-965mm) .


  • Guitar / Baritone Dual Notched Straight Edge 24"- 30" (610-762mm).
  • Bass Guitar Dual Notched Straight Edge 30"- 38" (762-965mm).


The tools check the neck straightness & fretboard flatness independent of the frets.



The unique design of the notch spacing allows the tool to be used on an infinite number of guitar scales within the ranges quoted.


Multiscale guitars within the range can also be checked.


The tool has 18 notches. The design of the tool is based on only checking the length of the fretboard that is capable of being deflected. The highest frets are omitted as these are past the heel/neck join and won't be affected by truss rod adjustment or string tension.


The positioning on the neck will vary depending on the scale of the instrument.


A double dot mark for position reference is provided.

The dots are nominally positioned at the 12th notch on the tool.

For shorter scales, the tool is used with the dots placed at the 11th fret on the guitar and for longer scales the dots are placed at the 13th fret.



Removable Steady - This prevents the tool from toppling over, allowing it to remain positioned on the neck during setup and adjustments. Free-standing use provides easy observation of changes to neck when adjusting the truss rod. (The steady can be used with or without strings fitted).



Please see the Product Category  page for related items.


DUAL NOTCHED STRAIGHT EDGE COMBO - 2 options with extended scale ranges

£70.89 Regular Price
£65.89Sale Price
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