Jiayouy 13 Pieces Luthier Tools Including 32 Blades Feeler Gauge 9pcs Understring Radius Gauge Guitar Neck Notched Straight Edge String Action Gauge Ruler Fret Rocker for Guitar and Bass Setup Tool

The guitar measuring tools are made of stainless steel with smooth edges that have no burrs, anti-rust and scratch-prevent, durable and long service life. Guitar neck notched straight ruler: size: approx. 16.5 x 1.46 x 0.13 inch; Designed to check guitar neck straightness of the fretboard and frets. String action gauge ruler: comes in 9 x 5.1 cm/ 3.5 x 2 inch, metric & imperial. 32 Blades Feeler Gauge measuring range: 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm, can be applied for guitar spacing distance measuring. 9 Understring Radius Gauge including: 7.25", 9.5", 10", 12", 14", 15", 16", 17" and 20" radius can be applied to measure fret board radius, saddle radius, nut radius from either the top or the bottom radius surface. 5 Kinds tools for maintenance: Make the necessary measurements and adjustments on acoustic and electric guitar, bass, banjo, mandolin and other stringed instruments.