This radical approach to guitar frets could unlock the custom axe of your dreams
May 18, 2026
Shark Instruments' guitar necks feature adjustable frets whose height you can tweak using just a hex key
Shark Instruments
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Turkey-based upstart Shark Instruments is taking the fight to higher-end guitar makers with advanced manufacturing capabilities. Its latest industry-first feature: adjustable frets.
The frets on the neck profoundly shape how a guitar sounds and feels to play. The height of the frets directly determines action. That's the distance between the string to the fretboard – a lower action requires less effort to play and is suitable for blazing fast shredding, while some rhythm players prefer a higher action setup for greater clarity.
Now, you can't easily change the height of your frets without an involved process like sanding them down and then crowning them to re-establishing their curved profile. It ain't easy, and it takes a skilled luthier to do...
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