Digital Action Gauge

Digital Action Gauge is Trademark or Registered Trademark in Japan.

With this device you can measure the Action of the strings and the neck Relief with no need of anything else. Very useful to check the set up or save it before taking any action on your instrument. With this tool you can also compare your set-up before and after a fret level. The Digital Action Gauge can also measure the Height of your frets and many other things! (0.01mm resolution and INCH conversion).

This is how to find the amount of neck relief by three points action measuring and a simple formula. By R.M.

rectify_master_relief_by_action_calculating

More about the story of this device: Digital Action Gauge

Luthier tools

R.M.KATANA
KATANA FRET LEVELING SYSTEM is a system designed for leveling the frets, or the fretboard, under real strings tension… Read More
BUZZ Killer
More information about this invention: Reference fret level For all instruments - 132 mm This innovative tool Read More
Rocking File
The Rocking File™ is a special tool designed to check and fix the height of your guitar's frets while… Read More
MONSTER RAIL mini
Tired of guessing how to perform a fret leveling in playing condition without the relief? We have the solution!… Read More
LittleBone Fret File
LittleBone fret file helps to reshape frets worn by use or flattened out after fret leveling. LittleBone Fret File is Read More
RR Kit (reload/refinishing kit)
RR Kit (reload/refinishing kit) can be purchased only with a fret leveling tool like: R.M.KATANA, R.M.LITE, R.M.BUZZ Killer. Read More
LittleBone ice
LittleBone ice is bigger than the classic LittleBone Fret File. It is easier to hold. It lasts longer because… Read More
BOOMERANG FRET FILE
Say Hello to the new born 2 Corner fret file! This new tool is quite foolproof. It is aggressive… Read More
TREM GUARDIAN
By Inventor Davide Bissoli here is a new tremolo stopper for guitar setup and repair. The TREM GUARDIAN is… Read More
DRAGONCLAW
DRAGONCLAW is a tuning tool designed to operate on Floyd Rose Tremolo. It was designed to leave the area… Read More
Digital Action Gauge
With this device you can measure the Action of the strings and the neck Relief with no need… Read More
FRETBLADE
FRETBLADE™ is a special fret leveling tool that includes: Reference fret level, Adjustable relief, Single fret and spot level… Read More
UNDERSTRING FRET CROWNING FILE
Understring Crowning File is a proper fret crowning file designed to work underneath the string without altering the playing Read More
UNDERSTRING FLK mini
UNDERSTRING FLK mini is a system designed for spot leveling the frets, or the fretboard, under strings tension. Fret… Read More
ZZ-BONE
This tool is similar to a LittleBone for small or very small frets like those often installed on ukulele… Read More

Price list

REMINDER: to buy our tools please make sure to visit the How to buy page first. Thank you

Prices are in USD

Final shipping price may vary depending on volume, weight and final destination of the order.

International shipping price is minimum $32. At the moment most destinations are covered by EMS which is quality service but it can be more expensive than certain other services that we have been using until a few years ago which aren't available at this time.

*There might be some lower prices for those Countries that still offer economy shipping services. Please let us know where you buy from so we can check the latest shipping options and prices for your Country.

RED is out of stock

RR Kit is accessory (sold only with a leveling tool)

R.M.KATANA for guitar	$220	+Shipping	$32
R.M.KATANA for guitar Limited Edition 440mm	$195	+Shipping	$32
R.M.KATANA for bass	$255	+Shipping	$42
R.M.nanoKATANA *uke	$145	+Shipping	Ask
R.M.BUZZ-Killer single fret and spot leveler	$80	+Shipping	Ask
R.M.LITE for guitar	$40	+Shipping	Ask
R.M.LITE for bass	$55	+Shipping	$38
Rocking File	$18	+Shipping	Ask
C-File	---	---	---
UNDERSTRING FLK mini	$59	+Shipping	Ask
RR Kit (reload/refinishing)	$38	Accessory
LittleBone #400 grit	$20	+Shipping	Ask
I-File	---	---	---
LittleBone #150 grit	$24	+Shipping	Ask
LittleBone DoubleAngle #400 grit	$28	+Shipping	Ask
LittleBone DoubleAngle #150 grit	$28	+Shipping	Ask
LittleBone DoubleGrit (#400+#150grit)	$28	+Shipping	Ask
LittleBone ice #320 grit	$28	+Shipping	Ask
LittleBone ice #150 grit	$28	+Shipping	Ask
LittleBone ice DoubleGrit	$42	+Shipping	Ask
LittleBone ice Special	$38	+Shipping	Ask
Digital Action Gauge	$42	+Shipping	Ask
FRET RAIL mini	$16	+Shipping	Ask
Feather File for nut	$20	+Shipping	Ask
BOOMERANG FRET FILE	$46	+Shipping	Ask
TREM GUARDIAN	$38	+Shipping	$15
DRAGONCLAW	$28	+Shipping	Ask

About Rectify Master

RECTIFY Master focuses on research and development of innovative and quality luthier tools. Setting new standards since 2010. With over 30 year experience. Beware of imitation.

rectifymaster.com
TOKYO, Japan

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