Fret Rocker

  • 105 Reviews
  • Write a review

Pinpoint those pesky high frets, and check the final height after you've redressed or replaced them, reach for the Fret Rocker!

Read more

Fret Rocker

Item # 3770
In stock, ready to ship!


Total: $0.00
Quantity: 20



Dan Erlewine troubleshoots fret problems with the tiny straightedges that became the Fret Rocker.

Subscribe to StewMac's channel on


Pinpoint those pesky high frets, and check the final height after you've redressed or replaced them, reach for the Fret Rocker!

Our 4-in-1 mini straightedge spans three frets and "rocks" to indicate uneven fret heights. Precision-machined for accuracy to .0015" per foot, the 4", 3", 2" and 1-5/16" edges make it versatile for any fretted instrument, from basses to guitars to mandolins.

The Fret Rocker is made of 1/8" nickel-plated steel with a satin finish, for durability in professional use. It's an indispensable diagnostic tool, before and after partial refretting and recrowning jobs. It lets you do more accurate fret work for better playability.

Essential for fretting
This item is one of seven tools included in our Essential Fretting Tool Kit, a compilation of tools you'll need for the fundamentals of fret work. Kit also includes our book, Fretwork Step By Step by Erick Coleman with Dan Erlewine.

Ratings & Reviews

Fret Rocker

  • Based on 105 Reviews
Displaying 6 of 11 1 2 3 4 5 6 7 8 9 10 11
Write a review

Very useful

By Tim Skau from Norway
(Customer's Reviews) Thursday, June 07, 2012

This works as expected, and 10 minutes after I got it, I found the frets that needed adjustments. Very helpful

Ready to Rock

By axe fixr from Richardson (Dallas) Texas
(Customer's Reviews) Thursday, May 10, 2012

After doing my first fret job, this is an invalueable tool to level everything out. You hit the highspots with a good single cut file, finish it out with the 3 in 1 fret file, then hit it with the fret polishing stick. Put the neck back on, string it up and you're ready to rock! StewMac has everything you need! The right tools always let you win.

I love this thing

By Nick Knirk from McKinney, TX
(Customer's Reviews) Wednesday, May 09, 2012

What an ingenius little tool. I use it non stop while refretting.

Quickly find high frets

By Kris Reese from Fishers, IN
(Customer's Reviews) Thursday, April 19, 2012

I had seen a video where a guy used a credit card to check for high frets. Seemed like a good idea and works to some degree, but if the credit card isn't completely flat it loses accuracy. Trying the credit card trick made me decide to order the fret rocker. I wanted to see how it works and I love it. It is wide enough to stand on its edged so you know it is perpendicular to the frets and there is no question about its accuracy. Bad thing is that now I see how much work I really have to do to make my guitars play better.

Useful tool.

By JHW from Lexington, KY
(Customer's Reviews) Thursday, April 19, 2012

I am restoring several old Silvertone and Harmony acoustic guitars. I found this tool to be helpful in identifying high frets that were causing fret buzz. These old guitars are notorious for having extremely high action. I have been able to get the action as low as on any quality modern guitar. Some might say that wouldn't be possible but it is and this tool helped get it done.

It just plain works

By Joey D from East Meadow, NY
(Customer's Reviews) Monday, April 02, 2012

Works just like the video says. Found the high fret, filed it, no more buzz. A must if you like low action.

Elegant Solution

By Jim Marple from WV
(Customer's Reviews) Thursday, March 29, 2012

Armed with this and a Sharpie, you can find any and all high frets (or _areas_ of frets) on an entire fretboard in not much more time than it is taking me to type this. Simple + incredibly effective = elegant solution.

Quit dithering and buy it.

By Steve N from Santa Barbara, California
(Customer's Reviews) Monday, March 19, 2012

I'm the kind of fellow who likes to get by with as few special-purpose tools as possible. This thing is an exception. Does exactly what it says it does and pays for itself the first time you use it. And if you ever want a rather unpleasant surprise, take this thing to the factory necks of some of the big-brand name and find out just how many high frets they have. You'll probably find at least two or three even on $1,000 plus instruments!

Fret Rocker

By Mr.Bluesfinger from Croatia
(Customer's Reviews) Thursday, February 23, 2012

Thank you for the Fret Rocker. It arrived in Croatia in less time than you suggested, and on my set ups I'm already checking all my guitar' frets with this great tool! The Fret Rocker helps me maintain a fret buzz free`guitars with a lower action, and using it, I find that even new instruments suffer with a "raised Fret" or two, and the "Fret Rocker" is the tool that will find the offending high fret that you can simply "Tap" or "Smooth" down. Great invention! I sincerely thank your staff for the quick service you provided!

Good investment

By TonyG from Ontario Canada
(Customer's Reviews) Monday, February 20, 2012

Very handy for my first Fret job. Made the process much easier.

Displaying 6 of 11
1 2 3 4 5 6 7 8 9 10 11

Shown on page 16 of our latest catalog.