Graph Tech Ratio Machine Heads (6-in-line)
Tuner

Price
£90.00
Specifications
DifficultyModerate
Where to Buy
Description
Innovative tuning machines that assign a unique gear ratio to each string for uniform tuning response. The multi‑geared system ensures that one turn on any string produces the same pitch change, solving the uneven feel of traditional tuners.
Technical Specifications
Mounting:6-in-line
Gear ratio:Varied per string
Orientation:Right-handed
Post diameter:10mm
Locking system:Non-locking
Mounting style:2-pin locator
Benefits
- Stable Tuning
- Smooth Gear Ratio
- Quick String Changes
- Precise Adjustment
Installation Guide
Remove the existing tuners and insert the Ratio tuners using the supplied bushings. Align the rear locator pin or screw holes (depending on model) and secure with screws. No reaming required for 10 mm headstocks. Check gear ratios for each string.
Compatible Guitars
No guitars are confirmed compatible with this modification yet. This means we haven't checked these pairings — not that no guitar fits.
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