Stainless Steel Fret Rocker, Practical Guitar Luthier Tool Leveling Ruler for Guitars Electric Bass Musical Instrument Accessories

【ACCURATE STRAIGHT EDGES】: fret rocker The accurate straight edges of this straightedge can help you detect if the guitar's tone is above or below the volume it should be to help correct this situation. 【PROFESSIONAL】: 4 in 1 straightedge spans nearly three frets, which enable it to check any fretted instrument and indicate uneven fret heights, professional and convenient. 【PERFECT GUITAR TOOL】:This guitar measuring rule is an indispensable tool both for guitar technicians and guitarists. 【SUPERIOR MATERIAL】: Adopting quality durable stainless steel for professional use. with exquisite appearance, rust-resistant. 【GUARANTEE】: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails to us at any time. We will reply you as soon.