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Graph Tech Guitar Labs Ltd.

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Graph Tech Guitar Labs Ltd.

4.5 (123)

Ratio by Graph Tech Model # 8411-C0 (12:1 to 39:1) Acoustic Locking 3x3

Name: Graph Tech Guitar Labs Ltd. Ratio by Graph Tech Model # 8411-C0 (12:1 to 39:1) Acoustic Locking 3x3 - Ratio by Graph Tech Model # 8411-C0 (12:1 to 39:1) Acoustic Locking 3x3
Brand: Graph Tech Guitar Labs Ltd.
SKU: 32905702703127
Price: 160.94 USD
Availability: InStock
Rating: 4.8571 (19 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$160.94

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Color

Black

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Description

RATIO® patented gear technology
RATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
From Low E to High E 39:1, 24:1, 20:1, 14:1, 20:1, 12:1.
We balanced the gear ratios to each string simplifying t...

Reviews

4.9

21 ratings

Ratio locking tuners

Installed ratio locking tuners on my electric and acoustic guitars. Definitely a game changer for me. I've been playing for over 50 years and the ability to precisely tune and have the tuning last very long exceeded my expectations!

Steven · September 22, 2025