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Portable Graphtech Ratio Electric Guitar Locking 3+3 Contemporary Machine Heads ~ Left Hand ~ Gold Holiday Cheer Edition [zCV6JjEq]

$41.99 $134.99 -69%

GraphTech RATIO Electric Guitar Locking Machine Heads Experience the ultimate in precision and convenience with the GraphTech RATIO Electric Guitar Locking Machine Heads, designed specifically for left-handed players. This set of 3+3 tuners is engine

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GraphTech RATIO Electric Guitar Locking Machine Heads

Experience the ultimate in precision and convenience with the GraphTech RATIO Electric Guitar Locking Machine Heads, designed specifically for left-handed players. This set of 3+3 tuners is engineered to provide a seamless and reliable tuning experience, ensuring your guitar stays in tune through even the most demanding performances.

Key Features and Specifications

The PRL-8311 set includes 6 locking machine heads with a unique gear ratio for each string position, allowing for one turn-one tone accuracy. This innovative RATIO® patented gear technology ensures that each string reacts identically to tuning adjustments, resulting in predictable and precise tuning on every string. The machine heads come with a two-pin casing that can be used with our Patented InvisoMatch Mounting Plates, offering a hassle-free installation process. Here are some key specifications:
  • String post diameter: 0.236" (6mm)
  • String post length to string hole: 0.910” (23mm)
  • Weight per single machine head: 0.083lbs (38g)
  • Weight per set of six: 0.496lbs (225g)

Unmatched Performance and Quality

The GraphTech RATIO Electric Guitar Locking Machine Heads are built to last, with their robust construction and high-quality materials. The included 4 sets of brushed aluminum InvisoMatch mounting plates make installation on most guitars quick and accurate, using your existing screw mounting holes. The gear ratios are carefully balanced to simplify the tuning process, allowing for a half-turn semi-tone adjustment. With the RATIO® system, you can achieve consistent and reliable tuning on every string, making it an essential addition to any guitar player's setup.

What Our Customers Say

December 27, 2025

Absolutely no complaints!

A must-have for people who truly and really, really value quality.

- Gwawl K..

December 27, 2025

Absolutely no complaints!

A truly smart and a highly so effective buy.

- Heledd T..

December 27, 2025

Absolutely no complaints!

This is a really fine and a very, very, very useful product.

- Dyfed E..

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