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Tonepros GKB33K 3x3 Tuning Keys

SKU TK-7100-001

TonePros is proud to introduce their new line of Professional Upgrade Tuners!  Utilizing innovative new technologies and materials, the Professional Upgrade Series provides the same precision and quality TonePros is famous for.  Featuring a “state of the art” 20:1 gear ratio performance inside a classic format and styling, these new tuners are “drop-in” ready and will fit most guitars without modification.

Model GKB33K

The Model #GKB33K (formerly TPTC) is designed to provide the classic styling and platform most guitarists are looking for while delivering ultimate performance.  This tuner model features a 20:1 high precision gear ratio, a "kidney" style button, and a more modern rounded-top post styling.  The GKB33K is “drop-in” ready for installation on most guitars without modifications.


  • Gear:   20:1 Performance Ratio
  • Material:    ZMAC Body w/ Upgraded Steel Inner Components
  • Bushing Size:   10mm
  • Post Height:   28mm
  • Button:  Metal "Kidney" Style
  • Configuration:  3L + 3R

***TonePros products can not be shipped outside the US or Canada. Visit to find a dealer in your country.