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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 # 9721-C0 (12:1 to 39:1) Electric Locking 6 in-Line Staggered

Name: Graph Tech Guitar Labs Ltd. Ratio by Graph Tech Model # 9721-C0 (12:1 to 39:1) Electric Locking 6 in-Line Staggered - Ratio by Graph Tech Model # 9721-C0 (12:1 to 39:1) Electric Locking 6 in-Line Staggered
Brand: Graph Tech Guitar Labs Ltd.
SKU: 29499729051671
Price: 160.94 USD
Availability: InStock
Rating: 4.6897 (27 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, 35:1, 20:1, 12:1.
We balanced the gear ratios to each string simplifying t...

Reviews

4.7

29 ratings

Ratio by Graph Tech (12:1 to 39:1) Electric Locking 6 in-Line Staggered

No modifications to my jim root telecaster and gives good break angle over the nut with is crucial for these tunings recommend for anyone needing this

K · March 8, 2026

Very good.

Fast delivery. Product very effective for accurate tuning especially those troublesome G and B strings.

Robert · July 29, 2025

Great for an import strat with mini tuners

The tuners were easy to install in my import strat, and the per string gear ratios make it much easier to tune accurately.

Caitlin · June 3, 2025

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Graph Tech Guitar Labs Ltd.

4.7 (3.4K)

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Description

Reviews

4.7

29 ratings

Ratio by Graph Tech (12:1 to 39:1) Electric Locking 6 in-Line Staggered

No modifications to my jim root telecaster and gives good break angle over the nut with is crucial for these tunings recommend for anyone needing this

K · March 8, 2026