The Rockbag Rock 'n Ruler String Action Gauge is a versatile tool designed to help you set up your guitars and basses. String action, neck relief and string spacing can be easily measured and set up with this simple gauge. All scales are provided in metric and imperial units, whilst the backside offers useful setup recommendations as a starting point for setting up your electric, acoustic or bass guitars.

The main features of the Rockbag Rock 'n Ruler String Action Gauge include:

• Gauge: String Action
• Material: Stainless Steel
• Scales: Metric & Imperial
• Setup Recommendations on the Backside
• Size: 90 x 50 mm