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Product Description:

The String Action Gauge is made of durable stainless steel with precision-etched markings, and fits right in your pocket.

This string action gauge ruler is faster and more accurate than any other ruler.

This evaluation tool can be used with guitars or basses to measure string height, string spacing, pickup height, saddle height and slot depth.  This is a great measuring

Product features:

• String to pole piece distance,

• Fret slot depth

• String nut slot depth

• Pole piece height

• Saddle height and slot depth