XT Guitar String Action Gauge – Fret Rocker, Bridge & Pickup Spacing Ruler, A...

tool. Ultra-precision. Unmatched versatility.

Whether you\'re a luthier, repair tech, or a passionate guitar player who takes setup seriously, the XT Precision Evaluation gauge / guitar string action gauge sets the new standard, and is indispensable for any collection of guitar tools or luthier tools.

It’s more than just the world\'s most refined and accurate fret rocker or string height gauge guitar—carefully engineered and crafted from extra-thick surgical-stainless steel, CNC-machined for flawless accuracy, then diamond honed and polished to protect your frets while providing crystal-clear, easy-to-read measurements. It will be a close companion to your most trusted guitar fret tools.

What sets XT apart?

Unlike generic alternatives, the XT is loaded with smart details that simplify your guitar setup work:

• The world\'s most precise and refined dual string action gauge, in both thousandths of an inch (.001\") in 0.005\" increments, and also 64ths, in .5/64ths (.00078\").
• Four-sided fret rocker tool designed for use up to the 24th fret and beyond.
• exclusive Bridge and Pickup Spacing Ruler, a true game changer for quickly identifying your bridge or pickup configuration.
• Innovative Nut Slot Height/Depth gauge, a time-saving favorite of busy luthiers from Austin to Nashville to Kiev.
• Fret Height/Fret Wear gauge with a notched edge—developed by to quickly and accurately check fret wear or fret size.
• Diamond honed and polished edges to protect your frets while working across the fretboard.
• Includes a premium handmade leather case for portability and protection.

Every edge of the fret rocker is refined in 45 separate steps to create a glide-smooth surface that won’t damage delicate fretwork and feels amazing in your hand. Whether you’re assembling a full guitar setup tools bench or just adding to your fret level ruler lineup, the XT delivers performance and precision every time.

Designed and built from the ground up as a premium-precision measuring instrument.

XT is in a class by itself. Everything else is just a repurposed metal business card, with the standards and accuracy you\'d expect.

Mother of All Guitar Gauges (MOAGG) 10-in-1 Guitar Setup Kit: This isn\'t just an action gauge or fret rocker. It\'s your go-to for checking fret height or fret wear, bridge & pickup spacing, nut height, AND MORE. An absolute necessity for any guitar setup kit or fret dressing kit used by pros and hobbyists
Built Bigger. Built Smarter: Nearly 40% larger than the original, this expanded format packs serious upgrades like a full-range fret rocker, a more precise and easier to use fret height gauge, and the first-ever bridge and pickup spacing ruler, AND new nut width/string spacing ruler
Bridge & Pickup Spacing Ruler (Exclusive) – First-of-its-kind gauge removes the mystery, frustration and guesswork from the wide variety of of available bridge and pickup spacing options in the guitar world. Whether USA, vintage, imported, F-Spacing, G-Spacing, acoustic and more—no calipers or rule or reference chart needed.
Dual Precision String Action Ruler for Guitar, Bass, Ukulele, Mandolin: In 0.010″ and 1/64″ increments (for you traditionalists), along with depth gauges in inch and metric for checking pickup to string spacing, with deeply laser etched, easy to read markings, ensure you dial in the perfect action every time.
Pocket-Friendly, Bench-Ready: Compact guitar neck tool fits in your gig bag, yet tough enough for the workbench. Pairs perfectly with any fret leveling kit or set of guitar tools luthiers use every day, yet still beginner friendly.