String Action Gauge Ruler Guitar Set Up Gauge Multifunctional Fret Rocker Luthier Tool With Leather Case

--High Precision Bright Sliver Etched Markings: matte black coating on the stainless steel base to avoid mirror reflections, which make it more clearly and easy for your guitar setting up

--Professional Guitar Set Up Tool: fit for fret crown’s height，string height, for ridge saddle slot depth .Measure the distance between the pickup pole pieces and the strings. Measure the nut height.

--Smooth Polished Edges: combined with numbers and lines that engane years of use. Measurements in inches, metric & 64ths were included to customize to your preference

--High quality materials: The gauge is made of stainless steel. Measurements are in metric and imperial units.

--Design: With conversion chart of string action at 12th fret printed on one side. Both sides of the ruler are used for different measurements.