Guitar String Action Gauge Measuring Ruler Bass Luthier
This gauge is faster and more accurate than using a ruler.If pay this one gauge, you will save the cost of two separate gauges. It's convenient and compact credit-card sized rule.
Product Name: Guitar String Action Gauge Measuring Ruler Bass Luthier Tool
Specifications: 89mm x 51mm
Fraction / Decimal / Metric conversion chart on back
1 x Guitar String Action Gauge