String Action Gauge Ruler, Upgraded Guitar String Height Gauge with Inch & Metric Scales, Guitar String Setup Tool and Accessory for Electric, Acoustic, Bass, and Luthier Use - Etched Black Edition

【Professional String Action Gauge for Precise Setup】Quickly measure string height with this upgraded guitar action gauge. Features clearly marked inch, millimeter, 64ths, and 32nds scales for exact adjustments on electric, acoustic, and bass guitars. 【Built-In Action Reference for All Guitar Types】Printed on the back is a comprehensive string height reference chart for setting low, medium, or high action at the 12th fret-ideal for all styles, including fingerstyle and slap bass. 【Durable Stainless Steel with Smooth Edges】Made from 1mm-thick rust-resistant stainless steel, this guitar ruler is built to last. Rounded edges prevent scratches while ensuring safe handling in any luthier toolkit or personal setup case. 【Easy-to-Read, Long-Lasting Markings】Choose from Printed Silver or Etched Black versions-both feature high-contrast markings that resist fading. Easily check saddle height, nut clearance, or pickup spacing under any lighting. 【Pocket-Sized and Protected】Each gauge includes a premium PU leather card sleeve for scratch-free storage and easy travel. Lightweight, compact, and ready to go-perfect for daily setups at home or on the road.