Rockbag Rock'n Ruler

The Rock'n Ruler is a versatile tool for adjusting guitars and basses. Neck curvature, string height and string spacing can be measured and adjusted quickly and precisely with this practical gauge made of stainless steel. Dimensions in millimeters and inches also make adjustments possible based on American specifications without converting. The practical setting recommendations on the back provide guidelines for setting the string height of electric and acoustic guitars and basses. With its practical business card format, the Rock'n Ruler fits perfectly into any wallet, jacket or trouser pocket and is always with you when you need it.