Bestsellers

Discover the bestsellers that have captured the hearts of many guitarists and luthiers with their perfect blend of functionality and ergnomics.

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New arrivals

Introducing our latest products, made especially for your guitar. Shop your favorites before they're gone!

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Featured collection

Discover our entire prodcut collection featuring hand-picked favorites that blend precision and quality.

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Highlights

Interactive Guitar Setup Guide. Dial it in. Share your numbers.

Free interactive guide

Set up your guitar like a pro.

A free, interactive step-by-step guide for electric, acoustic and bass — neck relief, action, nut, pickups and intonation, with the exact target numbers. Download a printable PDF at the end.

Open the Setup Guide Free · no sign-up

Electric · Acoustic · Bass
mm & inch
Diagrams + target specs
Printable PDF

Tech it easy with FRTLZR

Eliminate Fret Buzz and Achieve a Perfect Guitar Setup

FRTLZR® tools are designed for guitarists, luthiers, and guitar techs who want precise, reliable, and professional-grade results without unnecessary complexity.

From fret leveling to setup adjustments, our tools are engineered for accuracy, usability, and long-term performance. Most FRTLZR® products are made in Germany to ensure consistent quality and precision.

Take control of your instrument and achieve cleaner playability, better sound, and a smoother playing experience.