Hiiooweiyi 3 Pcs Notched Straight Edge Guitar Luthier Tool Kit, String Action Ruler Gauge for Leveling Neck Relief Check – High Accuracy Luthier Tool for Most Guitar Fretboards

["🎸You Will Receive: The package includes 1 guitar neck Notched string measurement ruler, 1 string action ruler and a piece of fiber wiping cloth. Perfect accurate action measurements for string instruments such as guitar, bass, mandolin, banjo, etc.","🎸Material Size: Guitar neck notched straight ruler - made of stainless steel, sturdy enough for your long-term use. Size: 16.5 x 1.45 x 0.13 inch; Dual scale design, works well with most guitar.","🎸Fritz Ruler: Made of high quality plastic,The ruler is double-sided, there is fraction, decimal, metric conversion chart on back.This guitar string action gauge ruler can measure string height, bridge saddle height, saddle slot depth, fret slot depth and nut height and accurately measure other setup.","🎸Multi Functional: The neck notched string measurement ruler is designed to check guitar neck straightness of the fretboard and frets. Ruler use to measure: Nut, String, Bridge, Pickup Pole Piece, Saddle Height Plus Saddle Slot,Groove Depths.","🎸Extra Gift: Equipped with a 20 x 20cm fiber wiping cloth to wipe the stainless steel ruler."]