String Action Gauge Ruler
Designed to help adjust string height, pole piece height, nut height, saddle depth on guitars and other string instruments, this heavy duty 800 Micron anodised steel string gauge ruler is a perfect guide for setting up your instrument. Utilising both metric and imperial measurements on the front side and featuring a measuring guide and a ruler (75mm/2.95in) on the back with fine laser etched 0.5mm ruler markings for accuracy. Card approximately 88x55mm, a perfect accessory for any guitar repair kit.