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The Future of Piano Playing Fits Your Hands

Custom ergonomic keyboards for acoustic pianos — tailored to your hands, delivered in weeks.


Played at leading conservatories and by professional pianists

Fairkey?

A realistic approach to ergonomic keyboards

What is Fairkey?

You push yourself to play at your best, but standard keyboards don’t fit your hands.


We craft ergonomic keyboards designed for your natural reach, tailored to both the pianist and the specific piano, so the instrument remains playable while the hand works within its natural span.

Many assume ergonomic or smaller keyboards inevitably fail. They often do — because the physical limits of wooden keyboards are ignored.
Fairkey works deliberately at those limits, determining in advance how far a wooden keyboard can be adapted while remaining stable and musically usable in a real acoustic instrument.

If ergonomic keyboards are to become a realistic alternative rather than rare, high-risk projects, they must first be genuinely playable — and the process must be efficient and predictable.
When Fairkey installs the keyboard on site, we take responsibility for how it plays in your instrument — removing uncertainty, delays, and unnecessary risk from the process.

Fairkey delivers the most playable ergonomic wooden keyboards currently achievable through a fast, predictable, and fool-proof process — without shipping your instrument or years of uncertainty.

If you’re ready to match your tools to your ambition, let’s measure your hands and start.
 

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How to Order Your Custom Fairkey

Getting the Right Fit Is Easy — and Foolproof

Fairkey is the only system that lets you measure both your hands and your instrument with total accuracy — safely, quickly, and with full support.


No risk to your piano. No stress on your hands. 

1

Measure Your Hand

3D print our tool (or order one) to get your personal size code.
We’ll help if needed.

​or

​or

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2

Measure Your Instrument

We’ll guide you if needed — and set up a shared folder with everything you need.

  • Upright pianos: Can be measured in place

  • Grand pianos: The keyboard and action slide out easily once the cheek blocks and fallboard are removed — a standard, non-invasive procedure any technician can do

  • No shipping required — You never need to send your current keyboard

3

Place Your Order

Once you’ve chosen your layout and (optionally) measured your hand and instrument, you can place your order in our online store.

We’ll double-check all specs with you before we start building.
Need help before or after ordering? Just reach out.

📧 Prefer email? Write us directly at info@kaduk.nl

Clara

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Piano Teacher

"One of my younger students used a loaned Yamaha U1 with a 7/8 Fairkey keyboard for several months, and the difference was immediate. Her posture improved, her hand tension dropped, and suddenly she could shape phrases without struggling against the instrument.

I’ve also had the chance to try the Fairkey digital briefly, and it felt remarkably fluid and natural. I honestly hope we can find a way to get one at the studio — it would open up so many possibilities. "

Contact Us

Get in Touch

Interested in placing an order or learning more? Simply reach out today.

FAQ

Thank You!

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