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

Graph Tech Guitar Labs Ltd.

4.5 (123)

Ratio by Graph Tech Model # 9721-LC0 (12:1 to 39:1) Lefty Electric Locking 6 in-Line

Name: Graph Tech Guitar Labs Ltd. Ratio by Graph Tech Model # 9721-LC0 (12:1 to 39:1) Lefty Electric Locking 6 in-Line - Ratio by Graph Tech Model # 9721-LC0 (12:1 to 39:1) Lefty Electric Locking 6 in-Line
Brand: Graph Tech Guitar Labs Ltd.
SKU: 40309679456279
Price: 160.94 USD
Availability: InStock
Rating: 3.8571 (5 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$160.94

Quantity

Color

Black

Quantity

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

3.9

7 ratings

Love these things. On all my guitars

My only request would be to be able to buy them without the mounting hardware, I have a mountain of unused mounting hardware that I never use.

Steven · April 13, 2026

Addicted

All the guitars i care about is going to get these. Except for the evertune model i think

Johan · October 12, 2024

Top Quality

Delivery to Switzerland worked fine and quite fast. The tuners are of top quality and based on the different transmission ratios for each string the tuning is easy and can be adjusted very accurate. They operate very very smooth. The finish is good. I can recommend this tuners to everybody. They are simply great.

Bernhard · May 29, 2024