StewMac Compact Z-File Guitar Fret Crowning File, 150-Grit, Centered (6422)

Centered Z-File

Two diamond edges in a centered V-shape cut both sides of the fret at the same angle. Simple to use and fast working. This shape is ideal for new and taller frets.

A new twist on the game-changing crowning file
Now our revolutionary Z-Files are ergonomically re-designed for better control anywhere on the fretboard—even over the body!

Diamond-coated Z-Files completely changed fret crowning forever: they've made it faster and easier for anyone, pro or beginner, to get perfectly rounded frets in no time at all. Our crew took the design one step further for even better results.

More precise control

We've replaced the handle with a comfortable rubber grip that goes around the entire file. Now the pressure is applied from the top, rather than the end, giving you greater control and pinpoint accuracy exactly where you need it. You can feel how the file is cutting better than ever before.

The new design not only fits your hand better but also makes the entire fretboard accessible. No more worries about the file scratching the top, or the handle bumping into the cutaways, it's the perfect size to stay on the fretboard. And it's easier to reach all sides of the fret, no need to flip the instrument halfway through the job.

A new advancement in fret work

After you've leveled the frets for uniform height, the next step is using a crowning file to restore their rounded shape, leaving the thinnest possible line of leveled surface on top. Traditional files can be hard to control, and it's easy to scrape the fret top, creating a buzzing low spot.

Z-Files won't mess up your carefully-leveled fret tops—the abrasives only touch the sides of the frets. The shape keeps you on the fret and the diamond coating works faster and smoother than traditional toothed files.